Home / 2,914,863.20-4,371,517.20-1,021,407.20

Finding the Fourth Proportional to 2,914,863.20, 4,371,517.20 and 1,021,407.20

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Solution

The fourth proportional to 2,914,863.20, 4,371,517.20 and 1,021,407.20 is: 1,531,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,863.20 : 4,371,517.20 = 1,021,407.20 : x
  2. Step 2: Convert to fraction form
    2,914,863.20/4,371,517.20 = 1,021,407.20/x
  3. Step 3: Cross multiply
    2,914,863.20x = 4,371,517.20 × 1,021,407.20
  4. Step 4: Simplify right side
    2,914,863.20x = 4,465,099,143,003.84
  5. Step 5: Solve for x
    x = 4,465,099,143,003.84/2,914,863.20
  6. Step 6: Final answer
    x = 1,531,838.32

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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.