Home / 1,922,046.20-2,883,069.30-1,215,207.80

Finding the Fourth Proportional to 1,922,046.20, 2,883,069.30 and 1,215,207.80

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Solution

The fourth proportional to 1,922,046.20, 2,883,069.30 and 1,215,207.80 is: 1,822,811.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,922,046.20 : 2,883,069.30 = 1,215,207.80 : x
  2. Step 2: Convert to fraction form
    1,922,046.20/2,883,069.30 = 1,215,207.80/x
  3. Step 3: Cross multiply
    1,922,046.20x = 2,883,069.30 × 1,215,207.80
  4. Step 4: Simplify right side
    1,922,046.20x = 3,503,528,301,300.54
  5. Step 5: Solve for x
    x = 3,503,528,301,300.54/1,922,046.20
  6. Step 6: Final answer
    x = 1,822,811.70

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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.