Home / 2,315,014.20-3,194,645.40-1,282,479.66

Finding the Fourth Proportional to 2,315,014.20, 3,194,645.40 and 1,282,479.66

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Solution

The fourth proportional to 2,315,014.20, 3,194,645.40 and 1,282,479.66 is: 1,769,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,014.20 : 3,194,645.40 = 1,282,479.66 : x
  2. Step 2: Convert to fraction form
    2,315,014.20/3,194,645.40 = 1,282,479.66/x
  3. Step 3: Cross multiply
    2,315,014.20x = 3,194,645.40 × 1,282,479.66
  4. Step 4: Simplify right side
    2,315,014.20x = 4,097,067,746,412.56
  5. Step 5: Solve for x
    x = 4,097,067,746,412.56/2,315,014.20
  6. Step 6: Final answer
    x = 1,769,780.83

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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.