Home / 5,631,455.04-7,777,822.80-3,817,469.76

Finding the Fourth Proportional to 5,631,455.04, 7,777,822.80 and 3,817,469.76

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Solution

The fourth proportional to 5,631,455.04, 7,777,822.80 and 3,817,469.76 is: 5,272,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631,455.04 : 7,777,822.80 = 3,817,469.76 : x
  2. Step 2: Convert to fraction form
    5,631,455.04/7,777,822.80 = 3,817,469.76/x
  3. Step 3: Cross multiply
    5,631,455.04x = 7,777,822.80 × 3,817,469.76
  4. Step 4: Simplify right side
    5,631,455.04x = 29,691,603,337,638.53
  5. Step 5: Solve for x
    x = 29,691,603,337,638.53/5,631,455.04
  6. Step 6: Final answer
    x = 5,272,456.79

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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.