Home / 5,157,342.20-7,736,013.30-1,371,207.80

Finding the Fourth Proportional to 5,157,342.20, 7,736,013.30 and 1,371,207.80

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Solution

The fourth proportional to 5,157,342.20, 7,736,013.30 and 1,371,207.80 is: 2,056,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,157,342.20 : 7,736,013.30 = 1,371,207.80 : x
  2. Step 2: Convert to fraction form
    5,157,342.20/7,736,013.30 = 1,371,207.80/x
  3. Step 3: Cross multiply
    5,157,342.20x = 7,736,013.30 × 1,371,207.80
  4. Step 4: Simplify right side
    5,157,342.20x = 10,607,681,777,863.74
  5. Step 5: Solve for x
    x = 10,607,681,777,863.74/5,157,342.20
  6. Step 6: Final answer
    x = 2,056,811.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.