Home / 2,809,536.30-3,877,160.09-1,520,376.68

Finding the Fourth Proportional to 2,809,536.30, 3,877,160.09 and 1,520,376.68

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Solution

The fourth proportional to 2,809,536.30, 3,877,160.09 and 1,520,376.68 is: 2,098,119.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,536.30 : 3,877,160.09 = 1,520,376.68 : x
  2. Step 2: Convert to fraction form
    2,809,536.30/3,877,160.09 = 1,520,376.68/x
  3. Step 3: Cross multiply
    2,809,536.30x = 3,877,160.09 × 1,520,376.68
  4. Step 4: Simplify right side
    2,809,536.30x = 5,894,743,798,956.54
  5. Step 5: Solve for x
    x = 5,894,743,798,956.54/2,809,536.30
  6. Step 6: Final answer
    x = 2,098,119.82

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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.