Home / 5,275,381.55-7,912,924.70-1,681,364.17

Finding the Fourth Proportional to 5,275,381.55, 7,912,924.70 and 1,681,364.17

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Solution

The fourth proportional to 5,275,381.55, 7,912,924.70 and 1,681,364.17 is: 2,521,999.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,275,381.55 : 7,912,924.70 = 1,681,364.17 : x
  2. Step 2: Convert to fraction form
    5,275,381.55/7,912,924.70 = 1,681,364.17/x
  3. Step 3: Cross multiply
    5,275,381.55x = 7,912,924.70 × 1,681,364.17
  4. Step 4: Simplify right side
    5,275,381.55x = 13,304,508,022,516.55
  5. Step 5: Solve for x
    x = 13,304,508,022,516.55/5,275,381.55
  6. Step 6: Final answer
    x = 2,521,999.20

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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.