Home / 3,781,343.59-5,218,695.32-2,149,995.38

Finding the Fourth Proportional to 3,781,343.59, 5,218,695.32 and 2,149,995.38

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Solution

The fourth proportional to 3,781,343.59, 5,218,695.32 and 2,149,995.38 is: 2,967,244.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781,343.59 : 5,218,695.32 = 2,149,995.38 : x
  2. Step 2: Convert to fraction form
    3,781,343.59/5,218,695.32 = 2,149,995.38/x
  3. Step 3: Cross multiply
    3,781,343.59x = 5,218,695.32 × 2,149,995.38
  4. Step 4: Simplify right side
    3,781,343.59x = 11,220,170,790,784.17
  5. Step 5: Solve for x
    x = 11,220,170,790,784.17/3,781,343.59
  6. Step 6: Final answer
    x = 2,967,244.45

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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.