Home / 3,472,218.40-5,204,180.40-1,788,455.20

Finding the Fourth Proportional to 3,472,218.40, 5,204,180.40 and 1,788,455.20

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Solution

The fourth proportional to 3,472,218.40, 5,204,180.40 and 1,788,455.20 is: 2,680,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,472,218.40 : 5,204,180.40 = 1,788,455.20 : x
  2. Step 2: Convert to fraction form
    3,472,218.40/5,204,180.40 = 1,788,455.20/x
  3. Step 3: Cross multiply
    3,472,218.40x = 5,204,180.40 × 1,788,455.20
  4. Step 4: Simplify right side
    3,472,218.40x = 9,307,443,498,118.08
  5. Step 5: Solve for x
    x = 9,307,443,498,118.08/3,472,218.40
  6. Step 6: Final answer
    x = 2,680,546.68

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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.