Home / 4,752,001.30-7,128,001.95-4,229,454.10

Finding the Fourth Proportional to 4,752,001.30, 7,128,001.95 and 4,229,454.10

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Solution

The fourth proportional to 4,752,001.30, 7,128,001.95 and 4,229,454.10 is: 6,344,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,001.30 : 7,128,001.95 = 4,229,454.10 : x
  2. Step 2: Convert to fraction form
    4,752,001.30/7,128,001.95 = 4,229,454.10/x
  3. Step 3: Cross multiply
    4,752,001.30x = 7,128,001.95 × 4,229,454.10
  4. Step 4: Simplify right side
    4,752,001.30x = 30,147,557,072,235.49
  5. Step 5: Solve for x
    x = 30,147,557,072,235.49/4,752,001.30
  6. Step 6: Final answer
    x = 6,344,181.15

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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.