Home / 5,107,639.32-7,048,590.41-2,815,882.02

Finding the Fourth Proportional to 5,107,639.32, 7,048,590.41 and 2,815,882.02

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Solution

The fourth proportional to 5,107,639.32, 7,048,590.41 and 2,815,882.02 is: 3,885,943.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,107,639.32 : 7,048,590.41 = 2,815,882.02 : x
  2. Step 2: Convert to fraction form
    5,107,639.32/7,048,590.41 = 2,815,882.02/x
  3. Step 3: Cross multiply
    5,107,639.32x = 7,048,590.41 × 2,815,882.02
  4. Step 4: Simplify right side
    5,107,639.32x = 19,847,998,987,784.02
  5. Step 5: Solve for x
    x = 19,847,998,987,784.02/5,107,639.32
  6. Step 6: Final answer
    x = 3,885,943.73

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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.