Home / 3,842,149.64-5,301,715.38-2,123,167.72

Finding the Fourth Proportional to 3,842,149.64, 5,301,715.38 and 2,123,167.72

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Solution

The fourth proportional to 3,842,149.64, 5,301,715.38 and 2,123,167.72 is: 2,929,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,842,149.64 : 5,301,715.38 = 2,123,167.72 : x
  2. Step 2: Convert to fraction form
    3,842,149.64/5,301,715.38 = 2,123,167.72/x
  3. Step 3: Cross multiply
    3,842,149.64x = 5,301,715.38 × 2,123,167.72
  4. Step 4: Simplify right side
    3,842,149.64x = 11,256,430,955,443.54
  5. Step 5: Solve for x
    x = 11,256,430,955,443.54/3,842,149.64
  6. Step 6: Final answer
    x = 2,929,722.16

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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.