Home / 2,819,149.88-4,228,687.02-689,252.36

Finding the Fourth Proportional to 2,819,149.88, 4,228,687.02 and 689,252.36

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Solution

The fourth proportional to 2,819,149.88, 4,228,687.02 and 689,252.36 is: 1,033,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,819,149.88 : 4,228,687.02 = 689,252.36 : x
  2. Step 2: Convert to fraction form
    2,819,149.88/4,228,687.02 = 689,252.36/x
  3. Step 3: Cross multiply
    2,819,149.88x = 4,228,687.02 × 689,252.36
  4. Step 4: Simplify right side
    2,819,149.88x = 2,914,632,508,236.37
  5. Step 5: Solve for x
    x = 2,914,632,508,236.37/2,819,149.88
  6. Step 6: Final answer
    x = 1,033,869.30

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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.