Home / 2,207,335.28-3,046,955.09-1,289,862.63

Finding the Fourth Proportional to 2,207,335.28, 3,046,955.09 and 1,289,862.63

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Solution

The fourth proportional to 2,207,335.28, 3,046,955.09 and 1,289,862.63 is: 1,780,496.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207,335.28 : 3,046,955.09 = 1,289,862.63 : x
  2. Step 2: Convert to fraction form
    2,207,335.28/3,046,955.09 = 1,289,862.63/x
  3. Step 3: Cross multiply
    2,207,335.28x = 3,046,955.09 × 1,289,862.63
  4. Step 4: Simplify right side
    2,207,335.28x = 3,930,153,499,429.97
  5. Step 5: Solve for x
    x = 3,930,153,499,429.97/2,207,335.28
  6. Step 6: Final answer
    x = 1,780,496.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.