Home / 2,877,170.17-4,315,754.04-855,405.31

Finding the Fourth Proportional to 2,877,170.17, 4,315,754.04 and 855,405.31

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Solution

The fourth proportional to 2,877,170.17, 4,315,754.04 and 855,405.31 is: 1,283,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877,170.17 : 4,315,754.04 = 855,405.31 : x
  2. Step 2: Convert to fraction form
    2,877,170.17/4,315,754.04 = 855,405.31/x
  3. Step 3: Cross multiply
    2,877,170.17x = 4,315,754.04 × 855,405.31
  4. Step 4: Simplify right side
    2,877,170.17x = 3,691,718,922,469.95
  5. Step 5: Solve for x
    x = 3,691,718,922,469.95/2,877,170.17
  6. Step 6: Final answer
    x = 1,283,107.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.