Home / 2,177,410.80-3,266,243.32-661,143.20

Finding the Fourth Proportional to 2,177,410.80, 3,266,243.32 and 661,143.20

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Solution

The fourth proportional to 2,177,410.80, 3,266,243.32 and 661,143.20 is: 991,753.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,410.80 : 3,266,243.32 = 661,143.20 : x
  2. Step 2: Convert to fraction form
    2,177,410.80/3,266,243.32 = 661,143.20/x
  3. Step 3: Cross multiply
    2,177,410.80x = 3,266,243.32 × 661,143.20
  4. Step 4: Simplify right side
    2,177,410.80x = 2,159,454,560,563.42
  5. Step 5: Solve for x
    x = 2,159,454,560,563.42/2,177,410.80
  6. Step 6: Final answer
    x = 991,753.40

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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.