Home / 5,811,167.89-8,716,751.79-2,118,468.61

Finding the Fourth Proportional to 5,811,167.89, 8,716,751.79 and 2,118,468.61

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Solution

The fourth proportional to 5,811,167.89, 8,716,751.79 and 2,118,468.61 is: 3,177,702.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811,167.89 : 8,716,751.79 = 2,118,468.61 : x
  2. Step 2: Convert to fraction form
    5,811,167.89/8,716,751.79 = 2,118,468.61/x
  3. Step 3: Cross multiply
    5,811,167.89x = 8,716,751.79 × 2,118,468.61
  4. Step 4: Simplify right side
    5,811,167.89x = 18,466,165,048,276.31
  5. Step 5: Solve for x
    x = 18,466,165,048,276.31/5,811,167.89
  6. Step 6: Final answer
    x = 3,177,702.90

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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.