Home / 7,191,909.68-10,784,139.32-2,641,783.28

Finding the Fourth Proportional to 7,191,909.68, 10,784,139.32 and 2,641,783.28

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Solution

The fourth proportional to 7,191,909.68, 10,784,139.32 and 2,641,783.28 is: 3,961,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,909.68 : 10,784,139.32 = 2,641,783.28 : x
  2. Step 2: Convert to fraction form
    7,191,909.68/10,784,139.32 = 2,641,783.28/x
  3. Step 3: Cross multiply
    7,191,909.68x = 10,784,139.32 × 2,641,783.28
  4. Step 4: Simplify right side
    7,191,909.68x = 28,489,358,890,845.87
  5. Step 5: Solve for x
    x = 28,489,358,890,845.87/7,191,909.68
  6. Step 6: Final answer
    x = 3,961,306.55

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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.