Home / 3,847,074.48-5,309,119.08-2,128,165.38

Finding the Fourth Proportional to 3,847,074.48, 5,309,119.08 and 2,128,165.38

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Solution

The fourth proportional to 3,847,074.48, 5,309,119.08 and 2,128,165.38 is: 2,936,954.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,074.48 : 5,309,119.08 = 2,128,165.38 : x
  2. Step 2: Convert to fraction form
    3,847,074.48/5,309,119.08 = 2,128,165.38/x
  3. Step 3: Cross multiply
    3,847,074.48x = 5,309,119.08 × 2,128,165.38
  4. Step 4: Simplify right side
    3,847,074.48x = 11,298,683,424,353.45
  5. Step 5: Solve for x
    x = 11,298,683,424,353.45/3,847,074.48
  6. Step 6: Final answer
    x = 2,936,954.69

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.