Home / 2,428,480.79-3,642,056.21-912,046.43

Finding the Fourth Proportional to 2,428,480.79, 3,642,056.21 and 912,046.43

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Solution

The fourth proportional to 2,428,480.79, 3,642,056.21 and 912,046.43 is: 1,367,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,428,480.79 : 3,642,056.21 = 912,046.43 : x
  2. Step 2: Convert to fraction form
    2,428,480.79/3,642,056.21 = 912,046.43/x
  3. Step 3: Cross multiply
    2,428,480.79x = 3,642,056.21 × 912,046.43
  4. Step 4: Simplify right side
    2,428,480.79x = 3,321,724,370,444.83
  5. Step 5: Solve for x
    x = 3,321,724,370,444.83/2,428,480.79
  6. Step 6: Final answer
    x = 1,367,819.91

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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.