Home / 1,541,023.75-2,126,620.47-861,960.25

Finding the Fourth Proportional to 1,541,023.75, 2,126,620.47 and 861,960.25

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Solution

The fourth proportional to 1,541,023.75, 2,126,620.47 and 861,960.25 is: 1,189,509.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541,023.75 : 2,126,620.47 = 861,960.25 : x
  2. Step 2: Convert to fraction form
    1,541,023.75/2,126,620.47 = 861,960.25/x
  3. Step 3: Cross multiply
    1,541,023.75x = 2,126,620.47 × 861,960.25
  4. Step 4: Simplify right side
    1,541,023.75x = 1,833,062,311,976.32
  5. Step 5: Solve for x
    x = 1,833,062,311,976.32/1,541,023.75
  6. Step 6: Final answer
    x = 1,189,509.45

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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.