Home / 2,012,819.60-2,777,687.16-1,153,377.20

Finding the Fourth Proportional to 2,012,819.60, 2,777,687.16 and 1,153,377.20

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Solution

The fourth proportional to 2,012,819.60, 2,777,687.16 and 1,153,377.20 is: 1,591,658.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,819.60 : 2,777,687.16 = 1,153,377.20 : x
  2. Step 2: Convert to fraction form
    2,012,819.60/2,777,687.16 = 1,153,377.20/x
  3. Step 3: Cross multiply
    2,012,819.60x = 2,777,687.16 × 1,153,377.20
  4. Step 4: Simplify right side
    2,012,819.60x = 3,203,721,039,076.75
  5. Step 5: Solve for x
    x = 3,203,721,039,076.75/2,012,819.60
  6. Step 6: Final answer
    x = 1,591,658.31

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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.