Home / 3,949,515.20-5,919,510-1,816,675.04

Finding the Fourth Proportional to 3,949,515.20, 5,919,510 and 1,816,675.04

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Solution

The fourth proportional to 3,949,515.20, 5,919,510 and 1,816,675.04 is: 2,722,821.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,515.20 : 5,919,510 = 1,816,675.04 : x
  2. Step 2: Convert to fraction form
    3,949,515.20/5,919,510 = 1,816,675.04/x
  3. Step 3: Cross multiply
    3,949,515.20x = 5,919,510 × 1,816,675.04
  4. Step 4: Simplify right side
    3,949,515.20x = 10,753,826,066,030.40
  5. Step 5: Solve for x
    x = 10,753,826,066,030.40/3,949,515.20
  6. Step 6: Final answer
    x = 2,722,821.79

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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.