Home / 2,809,536.68-3,877,160.61-1,520,377.06

Finding the Fourth Proportional to 2,809,536.68, 3,877,160.61 and 1,520,377.06

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Solution

The fourth proportional to 2,809,536.68, 3,877,160.61 and 1,520,377.06 is: 2,098,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,536.68 : 3,877,160.61 = 1,520,377.06 : x
  2. Step 2: Convert to fraction form
    2,809,536.68/3,877,160.61 = 1,520,377.06/x
  3. Step 3: Cross multiply
    2,809,536.68x = 3,877,160.61 × 1,520,377.06
  4. Step 4: Simplify right side
    2,809,536.68x = 5,894,746,039,686.71
  5. Step 5: Solve for x
    x = 5,894,746,039,686.71/2,809,536.68
  6. Step 6: Final answer
    x = 2,098,120.34

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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.