Home / 1,908,689.90-2,862,960.03-646,517.48

Finding the Fourth Proportional to 1,908,689.90, 2,862,960.03 and 646,517.48

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Solution

The fourth proportional to 1,908,689.90, 2,862,960.03 and 646,517.48 is: 969,750.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,908,689.90 : 2,862,960.03 = 646,517.48 : x
  2. Step 2: Convert to fraction form
    1,908,689.90/2,862,960.03 = 646,517.48/x
  3. Step 3: Cross multiply
    1,908,689.90x = 2,862,960.03 × 646,517.48
  4. Step 4: Simplify right side
    1,908,689.90x = 1,850,953,689,621.52
  5. Step 5: Solve for x
    x = 1,850,953,689,621.52/1,908,689.90
  6. Step 6: Final answer
    x = 969,750.87

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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.