Home / 3,981,821.60-5,973,500.40-1,707,312.80

Finding the Fourth Proportional to 3,981,821.60, 5,973,500.40 and 1,707,312.80

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Solution

The fourth proportional to 3,981,821.60, 5,973,500.40 and 1,707,312.80 is: 2,561,298.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,981,821.60 : 5,973,500.40 = 1,707,312.80 : x
  2. Step 2: Convert to fraction form
    3,981,821.60/5,973,500.40 = 1,707,312.80/x
  3. Step 3: Cross multiply
    3,981,821.60x = 5,973,500.40 × 1,707,312.80
  4. Step 4: Simplify right side
    3,981,821.60x = 10,198,633,693,725.12
  5. Step 5: Solve for x
    x = 10,198,633,693,725.12/3,981,821.60
  6. Step 6: Final answer
    x = 2,561,298.50

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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.