Home / 2,112,234.20-3,168,351.30-992,490.20

Finding the Fourth Proportional to 2,112,234.20, 3,168,351.30 and 992,490.20

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Solution

The fourth proportional to 2,112,234.20, 3,168,351.30 and 992,490.20 is: 1,488,735.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,112,234.20 : 3,168,351.30 = 992,490.20 : x
  2. Step 2: Convert to fraction form
    2,112,234.20/3,168,351.30 = 992,490.20/x
  3. Step 3: Cross multiply
    2,112,234.20x = 3,168,351.30 × 992,490.20
  4. Step 4: Simplify right side
    2,112,234.20x = 3,144,557,615,407.26
  5. Step 5: Solve for x
    x = 3,144,557,615,407.26/2,112,234.20
  6. Step 6: Final answer
    x = 1,488,735.30

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Double scale
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Similar ratio
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1.5x scale

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.