Home / 1,540,928.72-2,126,366.16-861,734

Finding the Fourth Proportional to 1,540,928.72, 2,126,366.16 and 861,734

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Solution

The fourth proportional to 1,540,928.72, 2,126,366.16 and 861,734 is: 1,189,128.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,928.72 : 2,126,366.16 = 861,734 : x
  2. Step 2: Convert to fraction form
    1,540,928.72/2,126,366.16 = 861,734/x
  3. Step 3: Cross multiply
    1,540,928.72x = 2,126,366.16 × 861,734
  4. Step 4: Simplify right side
    1,540,928.72x = 1,832,362,016,521.44
  5. Step 5: Solve for x
    x = 1,832,362,016,521.44/1,540,928.72
  6. Step 6: Final answer
    x = 1,189,128.34

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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.