Home / 2,239,816.40-3,357,100.20-1,678,194.80

Finding the Fourth Proportional to 2,239,816.40, 3,357,100.20 and 1,678,194.80

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Solution

The fourth proportional to 2,239,816.40, 3,357,100.20 and 1,678,194.80 is: 2,515,325.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239,816.40 : 3,357,100.20 = 1,678,194.80 : x
  2. Step 2: Convert to fraction form
    2,239,816.40/3,357,100.20 = 1,678,194.80/x
  3. Step 3: Cross multiply
    2,239,816.40x = 3,357,100.20 × 1,678,194.80
  4. Step 4: Simplify right side
    2,239,816.40x = 5,633,868,098,718.96
  5. Step 5: Solve for x
    x = 5,633,868,098,718.96/2,239,816.40
  6. Step 6: Final answer
    x = 2,515,325.85

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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.