Home / 5,013,761.28-6,918,990.72-2,721,918.72

Finding the Fourth Proportional to 5,013,761.28, 6,918,990.72 and 2,721,918.72

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Solution

The fourth proportional to 5,013,761.28, 6,918,990.72 and 2,721,918.72 is: 3,756,247.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,013,761.28 : 6,918,990.72 = 2,721,918.72 : x
  2. Step 2: Convert to fraction form
    5,013,761.28/6,918,990.72 = 2,721,918.72/x
  3. Step 3: Cross multiply
    5,013,761.28x = 6,918,990.72 × 2,721,918.72
  4. Step 4: Simplify right side
    5,013,761.28x = 18,832,930,364,274.28
  5. Step 5: Solve for x
    x = 18,832,930,364,274.28/5,013,761.28
  6. Step 6: Final answer
    x = 3,756,247.92

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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.