Home / 5,128,001.60-7,681,864.80-4,497,627.20

Finding the Fourth Proportional to 5,128,001.60, 7,681,864.80 and 4,497,627.20

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Solution

The fourth proportional to 5,128,001.60, 7,681,864.80 and 4,497,627.20 is: 6,737,549.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128,001.60 : 7,681,864.80 = 4,497,627.20 : x
  2. Step 2: Convert to fraction form
    5,128,001.60/7,681,864.80 = 4,497,627.20/x
  3. Step 3: Cross multiply
    5,128,001.60x = 7,681,864.80 × 4,497,627.20
  4. Step 4: Simplify right side
    5,128,001.60x = 34,550,164,071,202.56
  5. Step 5: Solve for x
    x = 34,550,164,071,202.56/5,128,001.60
  6. Step 6: Final answer
    x = 6,737,549.39

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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.