Home / 2,182,992.39-3,012,398.30-1,215,950.20

Finding the Fourth Proportional to 2,182,992.39, 3,012,398.30 and 1,215,950.20

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Solution

The fourth proportional to 2,182,992.39, 3,012,398.30 and 1,215,950.20 is: 1,677,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,992.39 : 3,012,398.30 = 1,215,950.20 : x
  2. Step 2: Convert to fraction form
    2,182,992.39/3,012,398.30 = 1,215,950.20/x
  3. Step 3: Cross multiply
    2,182,992.39x = 3,012,398.30 × 1,215,950.20
  4. Step 4: Simplify right side
    2,182,992.39x = 3,662,926,310,873.54
  5. Step 5: Solve for x
    x = 3,662,926,310,873.54/2,182,992.39
  6. Step 6: Final answer
    x = 1,677,938.20

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.