Home / 2,821,344.92-4,231,451.56-1,381,407.92

Finding the Fourth Proportional to 2,821,344.92, 4,231,451.56 and 1,381,407.92

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Solution

The fourth proportional to 2,821,344.92, 4,231,451.56 and 1,381,407.92 is: 2,071,834.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821,344.92 : 4,231,451.56 = 1,381,407.92 : x
  2. Step 2: Convert to fraction form
    2,821,344.92/4,231,451.56 = 1,381,407.92/x
  3. Step 3: Cross multiply
    2,821,344.92x = 4,231,451.56 × 1,381,407.92
  4. Step 4: Simplify right side
    2,821,344.92x = 5,845,360,698,080.36
  5. Step 5: Solve for x
    x = 5,845,360,698,080.36/2,821,344.92
  6. Step 6: Final answer
    x = 2,071,834.84

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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.