Home / 3,119,382.40-4,679,073.60-2,489,526.40

Finding the Fourth Proportional to 3,119,382.40, 4,679,073.60 and 2,489,526.40

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Solution

The fourth proportional to 3,119,382.40, 4,679,073.60 and 2,489,526.40 is: 3,734,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119,382.40 : 4,679,073.60 = 2,489,526.40 : x
  2. Step 2: Convert to fraction form
    3,119,382.40/4,679,073.60 = 2,489,526.40/x
  3. Step 3: Cross multiply
    3,119,382.40x = 4,679,073.60 × 2,489,526.40
  4. Step 4: Simplify right side
    3,119,382.40x = 11,648,677,254,743.04
  5. Step 5: Solve for x
    x = 11,648,677,254,743.04/3,119,382.40
  6. Step 6: Final answer
    x = 3,734,289.60

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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.