Home / 2,177,408.80-3,266,240.32-661,141.20

Finding the Fourth Proportional to 2,177,408.80, 3,266,240.32 and 661,141.20

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Solution

The fourth proportional to 2,177,408.80, 3,266,240.32 and 661,141.20 is: 991,750.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,408.80 : 3,266,240.32 = 661,141.20 : x
  2. Step 2: Convert to fraction form
    2,177,408.80/3,266,240.32 = 661,141.20/x
  3. Step 3: Cross multiply
    2,177,408.80x = 3,266,240.32 × 661,141.20
  4. Step 4: Simplify right side
    2,177,408.80x = 2,159,446,044,653.18
  5. Step 5: Solve for x
    x = 2,159,446,044,653.18/2,177,408.80
  6. Step 6: Final answer
    x = 991,750.40

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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.