Home / 5,687,900.88-7,849,330.98-3,109,581.78

Finding the Fourth Proportional to 5,687,900.88, 7,849,330.98 and 3,109,581.78

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Solution

The fourth proportional to 5,687,900.88, 7,849,330.98 and 3,109,581.78 is: 4,291,238.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687,900.88 : 7,849,330.98 = 3,109,581.78 : x
  2. Step 2: Convert to fraction form
    5,687,900.88/7,849,330.98 = 3,109,581.78/x
  3. Step 3: Cross multiply
    5,687,900.88x = 7,849,330.98 × 3,109,581.78
  4. Step 4: Simplify right side
    5,687,900.88x = 24,408,136,600,597.54
  5. Step 5: Solve for x
    x = 24,408,136,600,597.54/5,687,900.88
  6. Step 6: Final answer
    x = 4,291,238.04

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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.