Home / 5,508,909.20-8,264,530.20-1,670,416.40

Finding the Fourth Proportional to 5,508,909.20, 8,264,530.20 and 1,670,416.40

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Solution

The fourth proportional to 5,508,909.20, 8,264,530.20 and 1,670,416.40 is: 2,505,978.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,508,909.20 : 8,264,530.20 = 1,670,416.40 : x
  2. Step 2: Convert to fraction form
    5,508,909.20/8,264,530.20 = 1,670,416.40/x
  3. Step 3: Cross multiply
    5,508,909.20x = 8,264,530.20 × 1,670,416.40
  4. Step 4: Simplify right side
    5,508,909.20x = 13,805,206,784,375.28
  5. Step 5: Solve for x
    x = 13,805,206,784,375.28/5,508,909.20
  6. Step 6: Final answer
    x = 2,505,978.28

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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.