Home / 1,992,234.74-2,988,926.19-981,660.51

Finding the Fourth Proportional to 1,992,234.74, 2,988,926.19 and 981,660.51

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Solution

The fourth proportional to 1,992,234.74, 2,988,926.19 and 981,660.51 is: 1,472,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,234.74 : 2,988,926.19 = 981,660.51 : x
  2. Step 2: Convert to fraction form
    1,992,234.74/2,988,926.19 = 981,660.51/x
  3. Step 3: Cross multiply
    1,992,234.74x = 2,988,926.19 × 981,660.51
  4. Step 4: Simplify right side
    1,992,234.74x = 2,934,110,808,027.76
  5. Step 5: Solve for x
    x = 2,934,110,808,027.76/1,992,234.74
  6. Step 6: Final answer
    x = 1,472,773.64

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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.