Home / 2,746,579.20-4,120,257.60-853,123.20

Finding the Fourth Proportional to 2,746,579.20, 4,120,257.60 and 853,123.20

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Solution

The fourth proportional to 2,746,579.20, 4,120,257.60 and 853,123.20 is: 1,279,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,579.20 : 4,120,257.60 = 853,123.20 : x
  2. Step 2: Convert to fraction form
    2,746,579.20/4,120,257.60 = 853,123.20/x
  3. Step 3: Cross multiply
    2,746,579.20x = 4,120,257.60 × 853,123.20
  4. Step 4: Simplify right side
    2,746,579.20x = 3,515,087,348,536.32
  5. Step 5: Solve for x
    x = 3,515,087,348,536.32/2,746,579.20
  6. Step 6: Final answer
    x = 1,279,805.57

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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.