Home / 2,752,362.90-4,129,200.45-1,331,250.30

Finding the Fourth Proportional to 2,752,362.90, 4,129,200.45 and 1,331,250.30

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Solution

The fourth proportional to 2,752,362.90, 4,129,200.45 and 1,331,250.30 is: 1,997,192.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,362.90 : 4,129,200.45 = 1,331,250.30 : x
  2. Step 2: Convert to fraction form
    2,752,362.90/4,129,200.45 = 1,331,250.30/x
  3. Step 3: Cross multiply
    2,752,362.90x = 4,129,200.45 × 1,331,250.30
  4. Step 4: Simplify right side
    2,752,362.90x = 5,496,999,337,822.64
  5. Step 5: Solve for x
    x = 5,496,999,337,822.64/2,752,362.90
  6. Step 6: Final answer
    x = 1,997,192.79

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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.