Home / 1,939,245.10-2,676,279.80-1,068,079.62

Finding the Fourth Proportional to 1,939,245.10, 2,676,279.80 and 1,068,079.62

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Solution

The fourth proportional to 1,939,245.10, 2,676,279.80 and 1,068,079.62 is: 1,474,016.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,939,245.10 : 2,676,279.80 = 1,068,079.62 : x
  2. Step 2: Convert to fraction form
    1,939,245.10/2,676,279.80 = 1,068,079.62/x
  3. Step 3: Cross multiply
    1,939,245.10x = 2,676,279.80 × 1,068,079.62
  4. Step 4: Simplify right side
    1,939,245.10x = 2,858,479,911,797.68
  5. Step 5: Solve for x
    x = 2,858,479,911,797.68/1,939,245.10
  6. Step 6: Final answer
    x = 1,474,016.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.