Home / 5,679,376.40-8,521,397.40-2,086,864.40

Finding the Fourth Proportional to 5,679,376.40, 8,521,397.40 and 2,086,864.40

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Solution

The fourth proportional to 5,679,376.40, 8,521,397.40 and 2,086,864.40 is: 3,131,153.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679,376.40 : 8,521,397.40 = 2,086,864.40 : x
  2. Step 2: Convert to fraction form
    5,679,376.40/8,521,397.40 = 2,086,864.40/x
  3. Step 3: Cross multiply
    5,679,376.40x = 8,521,397.40 × 2,086,864.40
  4. Step 4: Simplify right side
    5,679,376.40x = 17,783,000,872,312.56
  5. Step 5: Solve for x
    x = 17,783,000,872,312.56/5,679,376.40
  6. Step 6: Final answer
    x = 3,131,153.78

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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.