Home / 2,981,352.60-4,472,028.90-986,808.60

Finding the Fourth Proportional to 2,981,352.60, 4,472,028.90 and 986,808.60

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Solution

The fourth proportional to 2,981,352.60, 4,472,028.90 and 986,808.60 is: 1,480,212.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981,352.60 : 4,472,028.90 = 986,808.60 : x
  2. Step 2: Convert to fraction form
    2,981,352.60/4,472,028.90 = 986,808.60/x
  3. Step 3: Cross multiply
    2,981,352.60x = 4,472,028.90 × 986,808.60
  4. Step 4: Simplify right side
    2,981,352.60x = 4,413,036,577,968.54
  5. Step 5: Solve for x
    x = 4,413,036,577,968.54/2,981,352.60
  6. Step 6: Final answer
    x = 1,480,212.90

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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.