Home / 1,977,755.28-2,729,747.88-1,162,221

Finding the Fourth Proportional to 1,977,755.28, 2,729,747.88 and 1,162,221

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Solution

The fourth proportional to 1,977,755.28, 2,729,747.88 and 1,162,221 is: 1,604,126.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,755.28 : 2,729,747.88 = 1,162,221 : x
  2. Step 2: Convert to fraction form
    1,977,755.28/2,729,747.88 = 1,162,221/x
  3. Step 3: Cross multiply
    1,977,755.28x = 2,729,747.88 × 1,162,221
  4. Step 4: Simplify right side
    1,977,755.28x = 3,172,570,310,841.48
  5. Step 5: Solve for x
    x = 3,172,570,310,841.48/1,977,755.28
  6. Step 6: Final answer
    x = 1,604,126.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.