Home / 5,275,340.20-7,911,903-1,487,937.34

Finding the Fourth Proportional to 5,275,340.20, 7,911,903 and 1,487,937.34

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Solution

The fourth proportional to 5,275,340.20, 7,911,903 and 1,487,937.34 is: 2,231,593.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,340.20 : 7,911,903 = 1,487,937.34 : x
  2. Step 2: Convert to fraction form
    5,275,340.20/7,911,903 = 1,487,937.34/x
  3. Step 3: Cross multiply
    5,275,340.20x = 7,911,903 × 1,487,937.34
  4. Step 4: Simplify right side
    5,275,340.20x = 11,772,415,904,158.02
  5. Step 5: Solve for x
    x = 11,772,415,904,158.02/5,275,340.20
  6. Step 6: Final answer
    x = 2,231,593.69

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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.