Home / 2,177,543.10-3,266,103.44-661,239.15

Finding the Fourth Proportional to 2,177,543.10, 3,266,103.44 and 661,239.15

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Solution

The fourth proportional to 2,177,543.10, 3,266,103.44 and 661,239.15 is: 991,794.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,177,543.10 : 3,266,103.44 = 661,239.15 : x
  2. Step 2: Convert to fraction form
    2,177,543.10/3,266,103.44 = 661,239.15/x
  3. Step 3: Cross multiply
    2,177,543.10x = 3,266,103.44 × 661,239.15
  4. Step 4: Simplify right side
    2,177,543.10x = 2,159,675,459,171.48
  5. Step 5: Solve for x
    x = 2,159,675,459,171.48/2,177,543.10
  6. Step 6: Final answer
    x = 991,794.59

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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.