Home / 7,191,909.17-10,784,138.57-2,641,782.77

Finding the Fourth Proportional to 7,191,909.17, 10,784,138.57 and 2,641,782.77

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Solution

The fourth proportional to 7,191,909.17, 10,784,138.57 and 2,641,782.77 is: 3,961,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191,909.17 : 10,784,138.57 = 2,641,782.77 : x
  2. Step 2: Convert to fraction form
    7,191,909.17/10,784,138.57 = 2,641,782.77/x
  3. Step 3: Cross multiply
    7,191,909.17x = 10,784,138.57 × 2,641,782.77
  4. Step 4: Simplify right side
    7,191,909.17x = 28,489,351,487,176.55
  5. Step 5: Solve for x
    x = 28,489,351,487,176.55/7,191,909.17
  6. Step 6: Final answer
    x = 3,961,305.80

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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.