Home / 3,128,164.80-4,692,247.20-998,464.20

Finding the Fourth Proportional to 3,128,164.80, 4,692,247.20 and 998,464.20

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Solution

The fourth proportional to 3,128,164.80, 4,692,247.20 and 998,464.20 is: 1,497,696.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,164.80 : 4,692,247.20 = 998,464.20 : x
  2. Step 2: Convert to fraction form
    3,128,164.80/4,692,247.20 = 998,464.20/x
  3. Step 3: Cross multiply
    3,128,164.80x = 4,692,247.20 × 998,464.20
  4. Step 4: Simplify right side
    3,128,164.80x = 4,685,040,846,750.24
  5. Step 5: Solve for x
    x = 4,685,040,846,750.24/3,128,164.80
  6. Step 6: Final answer
    x = 1,497,696.30

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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.