Home / 4,118,814.20-6,179,387.70-1,279,213.40

Finding the Fourth Proportional to 4,118,814.20, 6,179,387.70 and 1,279,213.40

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Solution

The fourth proportional to 4,118,814.20, 6,179,387.70 and 1,279,213.40 is: 1,919,182.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,118,814.20 : 6,179,387.70 = 1,279,213.40 : x
  2. Step 2: Convert to fraction form
    4,118,814.20/6,179,387.70 = 1,279,213.40/x
  3. Step 3: Cross multiply
    4,118,814.20x = 6,179,387.70 × 1,279,213.40
  4. Step 4: Simplify right side
    4,118,814.20x = 7,904,755,549,635.18
  5. Step 5: Solve for x
    x = 7,904,755,549,635.18/4,118,814.20
  6. Step 6: Final answer
    x = 1,919,182.36

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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.