Home / 1,966,180.33-2,949,264.68-885,427.61

Finding the Fourth Proportional to 1,966,180.33, 2,949,264.68 and 885,427.61

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Solution

The fourth proportional to 1,966,180.33, 2,949,264.68 and 885,427.61 is: 1,328,138.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966,180.33 : 2,949,264.68 = 885,427.61 : x
  2. Step 2: Convert to fraction form
    1,966,180.33/2,949,264.68 = 885,427.61/x
  3. Step 3: Cross multiply
    1,966,180.33x = 2,949,264.68 × 885,427.61
  4. Step 4: Simplify right side
    1,966,180.33x = 2,611,360,357,696.35
  5. Step 5: Solve for x
    x = 2,611,360,357,696.35/1,966,180.33
  6. Step 6: Final answer
    x = 1,328,138.79

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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.