Home / 2,520,921.60-3,479,165.94-1,433,356.20

Finding the Fourth Proportional to 2,520,921.60, 3,479,165.94 and 1,433,356.20

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Solution

The fourth proportional to 2,520,921.60, 3,479,165.94 and 1,433,356.20 is: 1,978,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,921.60 : 3,479,165.94 = 1,433,356.20 : x
  2. Step 2: Convert to fraction form
    2,520,921.60/3,479,165.94 = 1,433,356.20/x
  3. Step 3: Cross multiply
    2,520,921.60x = 3,479,165.94 × 1,433,356.20
  4. Step 4: Simplify right side
    2,520,921.60x = 4,986,884,070,927.83
  5. Step 5: Solve for x
    x = 4,986,884,070,927.83/2,520,921.60
  6. Step 6: Final answer
    x = 1,978,198.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.