Home / 3,119,343.40-4,679,015.10-2,489,487.40

Finding the Fourth Proportional to 3,119,343.40, 4,679,015.10 and 2,489,487.40

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Solution

The fourth proportional to 3,119,343.40, 4,679,015.10 and 2,489,487.40 is: 3,734,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,343.40 : 4,679,015.10 = 2,489,487.40 : x
  2. Step 2: Convert to fraction form
    3,119,343.40/4,679,015.10 = 2,489,487.40/x
  3. Step 3: Cross multiply
    3,119,343.40x = 4,679,015.10 × 2,489,487.40
  4. Step 4: Simplify right side
    3,119,343.40x = 11,648,349,135,859.74
  5. Step 5: Solve for x
    x = 11,648,349,135,859.74/3,119,343.40
  6. Step 6: Final answer
    x = 3,734,231.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.