Home / 4,752,744.20-7,129,116.30-1,557,099.80

Finding the Fourth Proportional to 4,752,744.20, 7,129,116.30 and 1,557,099.80

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Solution

The fourth proportional to 4,752,744.20, 7,129,116.30 and 1,557,099.80 is: 2,335,649.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,752,744.20 : 7,129,116.30 = 1,557,099.80 : x
  2. Step 2: Convert to fraction form
    4,752,744.20/7,129,116.30 = 1,557,099.80/x
  3. Step 3: Cross multiply
    4,752,744.20x = 7,129,116.30 × 1,557,099.80
  4. Step 4: Simplify right side
    4,752,744.20x = 11,100,745,564,906.74
  5. Step 5: Solve for x
    x = 11,100,745,564,906.74/4,752,744.20
  6. Step 6: Final answer
    x = 2,335,649.70

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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.