Home / 3,477,381.30-5,215,481.43-918,624.09

Finding the Fourth Proportional to 3,477,381.30, 5,215,481.43 and 918,624.09

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Solution

The fourth proportional to 3,477,381.30, 5,215,481.43 and 918,624.09 is: 1,377,780.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,477,381.30 : 5,215,481.43 = 918,624.09 : x
  2. Step 2: Convert to fraction form
    3,477,381.30/5,215,481.43 = 918,624.09/x
  3. Step 3: Cross multiply
    3,477,381.30x = 5,215,481.43 × 918,624.09
  4. Step 4: Simplify right side
    3,477,381.30x = 4,791,066,882,545.65
  5. Step 5: Solve for x
    x = 4,791,066,882,545.65/3,477,381.30
  6. Step 6: Final answer
    x = 1,377,780.14

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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.