Home / 2,178,251.80-3,268,155.30-916,466.20

Finding the Fourth Proportional to 2,178,251.80, 3,268,155.30 and 916,466.20

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Solution

The fourth proportional to 2,178,251.80, 3,268,155.30 and 916,466.20 is: 1,375,026.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,251.80 : 3,268,155.30 = 916,466.20 : x
  2. Step 2: Convert to fraction form
    2,178,251.80/3,268,155.30 = 916,466.20/x
  3. Step 3: Cross multiply
    2,178,251.80x = 3,268,155.30 × 916,466.20
  4. Step 4: Simplify right side
    2,178,251.80x = 2,995,153,868,800.86
  5. Step 5: Solve for x
    x = 2,995,153,868,800.86/2,178,251.80
  6. Step 6: Final answer
    x = 1,375,026.46

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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.