Home / 3,478,901.70-5,218,352.55-2,203,443.30

Finding the Fourth Proportional to 3,478,901.70, 5,218,352.55 and 2,203,443.30

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Solution

The fourth proportional to 3,478,901.70, 5,218,352.55 and 2,203,443.30 is: 3,305,164.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,901.70 : 5,218,352.55 = 2,203,443.30 : x
  2. Step 2: Convert to fraction form
    3,478,901.70/5,218,352.55 = 2,203,443.30/x
  3. Step 3: Cross multiply
    3,478,901.70x = 5,218,352.55 × 2,203,443.30
  4. Step 4: Simplify right side
    3,478,901.70x = 11,498,343,963,335.41
  5. Step 5: Solve for x
    x = 11,498,343,963,335.41/3,478,901.70
  6. Step 6: Final answer
    x = 3,305,164.95

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Double scale
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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.