Home / 3,420,320.20-5,127,096.30-1,620,039.40

Finding the Fourth Proportional to 3,420,320.20, 5,127,096.30 and 1,620,039.40

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Solution

The fourth proportional to 3,420,320.20, 5,127,096.30 and 1,620,039.40 is: 2,428,456.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420,320.20 : 5,127,096.30 = 1,620,039.40 : x
  2. Step 2: Convert to fraction form
    3,420,320.20/5,127,096.30 = 1,620,039.40/x
  3. Step 3: Cross multiply
    3,420,320.20x = 5,127,096.30 × 1,620,039.40
  4. Step 4: Simplify right side
    3,420,320.20x = 8,306,098,013,594.22
  5. Step 5: Solve for x
    x = 8,306,098,013,594.22/3,420,320.20
  6. Step 6: Final answer
    x = 2,428,456.26

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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.