Home / 2,986,298.64-4,120,612.92-1,679,546.88

Finding the Fourth Proportional to 2,986,298.64, 4,120,612.92 and 1,679,546.88

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Solution

The fourth proportional to 2,986,298.64, 4,120,612.92 and 1,679,546.88 is: 2,317,505.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,298.64 : 4,120,612.92 = 1,679,546.88 : x
  2. Step 2: Convert to fraction form
    2,986,298.64/4,120,612.92 = 1,679,546.88/x
  3. Step 3: Cross multiply
    2,986,298.64x = 4,120,612.92 × 1,679,546.88
  4. Step 4: Simplify right side
    2,986,298.64x = 6,920,762,573,473.69
  5. Step 5: Solve for x
    x = 6,920,762,573,473.69/2,986,298.64
  6. Step 6: Final answer
    x = 2,317,505.18

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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.