Home / 3,908,732.50-5,393,920.44-2,166,327.64

Finding the Fourth Proportional to 3,908,732.50, 5,393,920.44 and 2,166,327.64

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Solution

The fourth proportional to 3,908,732.50, 5,393,920.44 and 2,166,327.64 is: 2,989,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908,732.50 : 5,393,920.44 = 2,166,327.64 : x
  2. Step 2: Convert to fraction form
    3,908,732.50/5,393,920.44 = 2,166,327.64/x
  3. Step 3: Cross multiply
    3,908,732.50x = 5,393,920.44 × 2,166,327.64
  4. Step 4: Simplify right side
    3,908,732.50x = 11,684,998,937,132.96
  5. Step 5: Solve for x
    x = 11,684,998,937,132.96/3,908,732.50
  6. Step 6: Final answer
    x = 2,989,459.87

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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.