Home / 2,948,618.34-4,070,348.78-1,982,309.30

Finding the Fourth Proportional to 2,948,618.34, 4,070,348.78 and 1,982,309.30

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Solution

The fourth proportional to 2,948,618.34, 4,070,348.78 and 1,982,309.30 is: 2,736,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,948,618.34 : 4,070,348.78 = 1,982,309.30 : x
  2. Step 2: Convert to fraction form
    2,948,618.34/4,070,348.78 = 1,982,309.30/x
  3. Step 3: Cross multiply
    2,948,618.34x = 4,070,348.78 × 1,982,309.30
  4. Step 4: Simplify right side
    2,948,618.34x = 8,068,690,240,837.65
  5. Step 5: Solve for x
    x = 8,068,690,240,837.65/2,948,618.34
  6. Step 6: Final answer
    x = 2,736,430.87

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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.