Home / 3,120,109.20-4,680,601.20-1,226,410.20

Finding the Fourth Proportional to 3,120,109.20, 4,680,601.20 and 1,226,410.20

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Solution

The fourth proportional to 3,120,109.20, 4,680,601.20 and 1,226,410.20 is: 1,839,787.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,109.20 : 4,680,601.20 = 1,226,410.20 : x
  2. Step 2: Convert to fraction form
    3,120,109.20/4,680,601.20 = 1,226,410.20/x
  3. Step 3: Cross multiply
    3,120,109.20x = 4,680,601.20 × 1,226,410.20
  4. Step 4: Simplify right side
    3,120,109.20x = 5,740,337,053,812.24
  5. Step 5: Solve for x
    x = 5,740,337,053,812.24/3,120,109.20
  6. Step 6: Final answer
    x = 1,839,787.23

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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.