Home / 2,809,536.80-3,877,160.78-1,520,377.18

Finding the Fourth Proportional to 2,809,536.80, 3,877,160.78 and 1,520,377.18

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Solution

The fourth proportional to 2,809,536.80, 3,877,160.78 and 1,520,377.18 is: 2,098,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,536.80 : 3,877,160.78 = 1,520,377.18 : x
  2. Step 2: Convert to fraction form
    2,809,536.80/3,877,160.78 = 1,520,377.18/x
  3. Step 3: Cross multiply
    2,809,536.80x = 3,877,160.78 × 1,520,377.18
  4. Step 4: Simplify right side
    2,809,536.80x = 5,894,746,773,103
  5. Step 5: Solve for x
    x = 5,894,746,773,103/2,809,536.80
  6. Step 6: Final answer
    x = 2,098,120.51

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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.