Home / 5,310,925.92-7,936,155-3,987,759.15

Finding the Fourth Proportional to 5,310,925.92, 7,936,155 and 3,987,759.15

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Solution

The fourth proportional to 5,310,925.92, 7,936,155 and 3,987,759.15 is: 5,958,937.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310,925.92 : 7,936,155 = 3,987,759.15 : x
  2. Step 2: Convert to fraction form
    5,310,925.92/7,936,155 = 3,987,759.15/x
  3. Step 3: Cross multiply
    5,310,925.92x = 7,936,155 × 3,987,759.15
  4. Step 4: Simplify right side
    5,310,925.92x = 31,647,474,717,068.25
  5. Step 5: Solve for x
    x = 31,647,474,717,068.25/5,310,925.92
  6. Step 6: Final answer
    x = 5,958,937.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.