Home / 2,187,259.70-3,280,889.55-857,563.70

Finding the Fourth Proportional to 2,187,259.70, 3,280,889.55 and 857,563.70

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Solution

The fourth proportional to 2,187,259.70, 3,280,889.55 and 857,563.70 is: 1,286,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,187,259.70 : 3,280,889.55 = 857,563.70 : x
  2. Step 2: Convert to fraction form
    2,187,259.70/3,280,889.55 = 857,563.70/x
  3. Step 3: Cross multiply
    2,187,259.70x = 3,280,889.55 × 857,563.70
  4. Step 4: Simplify right side
    2,187,259.70x = 2,813,571,781,789.33
  5. Step 5: Solve for x
    x = 2,813,571,781,789.33/2,187,259.70
  6. Step 6: Final answer
    x = 1,286,345.55

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Similar ratio
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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.