Home / 5,167,960.90-7,131,876.73-2,813,226.35

Finding the Fourth Proportional to 5,167,960.90, 7,131,876.73 and 2,813,226.35

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Solution

The fourth proportional to 5,167,960.90, 7,131,876.73 and 2,813,226.35 is: 3,882,301.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,167,960.90 : 7,131,876.73 = 2,813,226.35 : x
  2. Step 2: Convert to fraction form
    5,167,960.90/7,131,876.73 = 2,813,226.35/x
  3. Step 3: Cross multiply
    5,167,960.90x = 7,131,876.73 × 2,813,226.35
  4. Step 4: Simplify right side
    5,167,960.90x = 20,063,583,517,742.45
  5. Step 5: Solve for x
    x = 20,063,583,517,742.45/5,167,960.90
  6. Step 6: Final answer
    x = 3,882,301.72

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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.