Home / 2,177,017.20-3,264,359.40-913,417.20

Finding the Fourth Proportional to 2,177,017.20, 3,264,359.40 and 913,417.20

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Solution

The fourth proportional to 2,177,017.20, 3,264,359.40 and 913,417.20 is: 1,369,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,017.20 : 3,264,359.40 = 913,417.20 : x
  2. Step 2: Convert to fraction form
    2,177,017.20/3,264,359.40 = 913,417.20/x
  3. Step 3: Cross multiply
    2,177,017.20x = 3,264,359.40 × 913,417.20
  4. Step 4: Simplify right side
    2,177,017.20x = 2,981,722,022,941.68
  5. Step 5: Solve for x
    x = 2,981,722,022,941.68/2,177,017.20
  6. Step 6: Final answer
    x = 1,369,636.41

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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.