Home / 5,428,531.46-7,487,222.29-3,687,543.23

Finding the Fourth Proportional to 5,428,531.46, 7,487,222.29 and 3,687,543.23

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Solution

The fourth proportional to 5,428,531.46, 7,487,222.29 and 3,687,543.23 is: 5,085,989.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,531.46 : 7,487,222.29 = 3,687,543.23 : x
  2. Step 2: Convert to fraction form
    5,428,531.46/7,487,222.29 = 3,687,543.23/x
  3. Step 3: Cross multiply
    5,428,531.46x = 7,487,222.29 × 3,687,543.23
  4. Step 4: Simplify right side
    5,428,531.46x = 27,609,455,841,082.06
  5. Step 5: Solve for x
    x = 27,609,455,841,082.06/5,428,531.46
  6. Step 6: Final answer
    x = 5,085,989.84

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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.