Home / 2,841,128.94-4,262,324.46-819,215.55

Finding the Fourth Proportional to 2,841,128.94, 4,262,324.46 and 819,215.55

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Solution

The fourth proportional to 2,841,128.94, 4,262,324.46 and 819,215.55 is: 1,229,005.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,841,128.94 : 4,262,324.46 = 819,215.55 : x
  2. Step 2: Convert to fraction form
    2,841,128.94/4,262,324.46 = 819,215.55/x
  3. Step 3: Cross multiply
    2,841,128.94x = 4,262,324.46 × 819,215.55
  4. Step 4: Simplify right side
    2,841,128.94x = 3,491,762,473,705.30
  5. Step 5: Solve for x
    x = 3,491,762,473,705.30/2,841,128.94
  6. Step 6: Final answer
    x = 1,229,005.28

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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.