Home / 5,435,192.75-7,500,590.15-2,987,961.08

Finding the Fourth Proportional to 5,435,192.75, 7,500,590.15 and 2,987,961.08

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Solution

The fourth proportional to 5,435,192.75, 7,500,590.15 and 2,987,961.08 is: 4,123,399.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435,192.75 : 7,500,590.15 = 2,987,961.08 : x
  2. Step 2: Convert to fraction form
    5,435,192.75/7,500,590.15 = 2,987,961.08/x
  3. Step 3: Cross multiply
    5,435,192.75x = 7,500,590.15 × 2,987,961.08
  4. Step 4: Simplify right side
    5,435,192.75x = 22,411,471,392,788.61
  5. Step 5: Solve for x
    x = 22,411,471,392,788.61/5,435,192.75
  6. Step 6: Final answer
    x = 4,123,399.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.