Home / 2,809,717.24-3,877,419.78-1,520,557.40

Finding the Fourth Proportional to 2,809,717.24, 3,877,419.78 and 1,520,557.40

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Solution

The fourth proportional to 2,809,717.24, 3,877,419.78 and 1,520,557.40 is: 2,098,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,809,717.24 : 3,877,419.78 = 1,520,557.40 : x
  2. Step 2: Convert to fraction form
    2,809,717.24/3,877,419.78 = 1,520,557.40/x
  3. Step 3: Cross multiply
    2,809,717.24x = 3,877,419.78 × 1,520,557.40
  4. Step 4: Simplify right side
    2,809,717.24x = 5,895,839,339,385.37
  5. Step 5: Solve for x
    x = 5,895,839,339,385.37/2,809,717.24
  6. Step 6: Final answer
    x = 2,098,374.62

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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.