Home / 2,012,178.80-3,017,231.40-749,356.40

Finding the Fourth Proportional to 2,012,178.80, 3,017,231.40 and 749,356.40

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Solution

The fourth proportional to 2,012,178.80, 3,017,231.40 and 749,356.40 is: 1,123,648.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,178.80 : 3,017,231.40 = 749,356.40 : x
  2. Step 2: Convert to fraction form
    2,012,178.80/3,017,231.40 = 749,356.40/x
  3. Step 3: Cross multiply
    2,012,178.80x = 3,017,231.40 × 749,356.40
  4. Step 4: Simplify right side
    2,012,178.80x = 2,260,981,659,870.96
  5. Step 5: Solve for x
    x = 2,260,981,659,870.96/2,012,178.80
  6. Step 6: Final answer
    x = 1,123,648.48

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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.