Home / 2,178,252.80-3,268,156.80-916,467.20

Finding the Fourth Proportional to 2,178,252.80, 3,268,156.80 and 916,467.20

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Solution

The fourth proportional to 2,178,252.80, 3,268,156.80 and 916,467.20 is: 1,375,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,252.80 : 3,268,156.80 = 916,467.20 : x
  2. Step 2: Convert to fraction form
    2,178,252.80/3,268,156.80 = 916,467.20/x
  3. Step 3: Cross multiply
    2,178,252.80x = 3,268,156.80 × 916,467.20
  4. Step 4: Simplify right side
    2,178,252.80x = 2,995,158,511,656.96
  5. Step 5: Solve for x
    x = 2,995,158,511,656.96/2,178,252.80
  6. Step 6: Final answer
    x = 1,375,027.96

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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.