Home / 5,275,380.55-7,912,923.20-1,681,363.17

Finding the Fourth Proportional to 5,275,380.55, 7,912,923.20 and 1,681,363.17

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Solution

The fourth proportional to 5,275,380.55, 7,912,923.20 and 1,681,363.17 is: 2,521,997.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,380.55 : 7,912,923.20 = 1,681,363.17 : x
  2. Step 2: Convert to fraction form
    5,275,380.55/7,912,923.20 = 1,681,363.17/x
  3. Step 3: Cross multiply
    5,275,380.55x = 7,912,923.20 × 1,681,363.17
  4. Step 4: Simplify right side
    5,275,380.55x = 13,304,497,587,547.11
  5. Step 5: Solve for x
    x = 13,304,497,587,547.11/5,275,380.55
  6. Step 6: Final answer
    x = 2,521,997.70

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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.