Home / 4,752,001.30-7,128,001.95-2,862,433.30

Finding the Fourth Proportional to 4,752,001.30, 7,128,001.95 and 2,862,433.30

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Solution

The fourth proportional to 4,752,001.30, 7,128,001.95 and 2,862,433.30 is: 4,293,649.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,001.30 : 7,128,001.95 = 2,862,433.30 : x
  2. Step 2: Convert to fraction form
    4,752,001.30/7,128,001.95 = 2,862,433.30/x
  3. Step 3: Cross multiply
    4,752,001.30x = 7,128,001.95 × 2,862,433.30
  4. Step 4: Simplify right side
    4,752,001.30x = 20,403,430,144,144.93
  5. Step 5: Solve for x
    x = 20,403,430,144,144.93/4,752,001.30
  6. Step 6: Final answer
    x = 4,293,649.95

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Similar ratio
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1.5x scale

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.