Home / 2,068,279.20-3,102,418.80-1,396,432.80

Finding the Fourth Proportional to 2,068,279.20, 3,102,418.80 and 1,396,432.80

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Solution

The fourth proportional to 2,068,279.20, 3,102,418.80 and 1,396,432.80 is: 2,094,649.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,279.20 : 3,102,418.80 = 1,396,432.80 : x
  2. Step 2: Convert to fraction form
    2,068,279.20/3,102,418.80 = 1,396,432.80/x
  3. Step 3: Cross multiply
    2,068,279.20x = 3,102,418.80 × 1,396,432.80
  4. Step 4: Simplify right side
    2,068,279.20x = 4,332,319,371,656.64
  5. Step 5: Solve for x
    x = 4,332,319,371,656.64/2,068,279.20
  6. Step 6: Final answer
    x = 2,094,649.20

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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.