Home / 4,116,862.80-6,178,793.40-3,319,045.20

Finding the Fourth Proportional to 4,116,862.80, 6,178,793.40 and 3,319,045.20

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Solution

The fourth proportional to 4,116,862.80, 6,178,793.40 and 3,319,045.20 is: 4,981,388.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116,862.80 : 6,178,793.40 = 3,319,045.20 : x
  2. Step 2: Convert to fraction form
    4,116,862.80/6,178,793.40 = 3,319,045.20/x
  3. Step 3: Cross multiply
    4,116,862.80x = 6,178,793.40 × 3,319,045.20
  4. Step 4: Simplify right side
    4,116,862.80x = 20,507,694,576,061.68
  5. Step 5: Solve for x
    x = 20,507,694,576,061.68/4,116,862.80
  6. Step 6: Final answer
    x = 4,981,388.88

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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.