Home / 5,383,920.81-8,072,853.17-1,787,763.27

Finding the Fourth Proportional to 5,383,920.81, 8,072,853.17 and 1,787,763.27

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Solution

The fourth proportional to 5,383,920.81, 8,072,853.17 and 1,787,763.27 is: 2,680,639.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,383,920.81 : 8,072,853.17 = 1,787,763.27 : x
  2. Step 2: Convert to fraction form
    5,383,920.81/8,072,853.17 = 1,787,763.27/x
  3. Step 3: Cross multiply
    5,383,920.81x = 8,072,853.17 × 1,787,763.27
  4. Step 4: Simplify right side
    5,383,920.81x = 14,432,350,372,490.25
  5. Step 5: Solve for x
    x = 14,432,350,372,490.25/5,383,920.81
  6. Step 6: Final answer
    x = 2,680,639.42

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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.