Home / 2,182,846.38-3,012,132.60-1,215,955.95

Finding the Fourth Proportional to 2,182,846.38, 3,012,132.60 and 1,215,955.95

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Solution

The fourth proportional to 2,182,846.38, 3,012,132.60 and 1,215,955.95 is: 1,677,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,846.38 : 3,012,132.60 = 1,215,955.95 : x
  2. Step 2: Convert to fraction form
    2,182,846.38/3,012,132.60 = 1,215,955.95/x
  3. Step 3: Cross multiply
    2,182,846.38x = 3,012,132.60 × 1,215,955.95
  4. Step 4: Simplify right side
    2,182,846.38x = 3,662,620,557,158.97
  5. Step 5: Solve for x
    x = 3,662,620,557,158.97/2,182,846.38
  6. Step 6: Final answer
    x = 1,677,910.36

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1.5x scale

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.