Home / 2,916,680.40-4,368,022.20-1,419,022.80

Finding the Fourth Proportional to 2,916,680.40, 4,368,022.20 and 1,419,022.80

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Solution

The fourth proportional to 2,916,680.40, 4,368,022.20 and 1,419,022.80 is: 2,125,129.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,916,680.40 : 4,368,022.20 = 1,419,022.80 : x
  2. Step 2: Convert to fraction form
    2,916,680.40/4,368,022.20 = 1,419,022.80/x
  3. Step 3: Cross multiply
    2,916,680.40x = 4,368,022.20 × 1,419,022.80
  4. Step 4: Simplify right side
    2,916,680.40x = 6,198,323,092,706.16
  5. Step 5: Solve for x
    x = 6,198,323,092,706.16/2,916,680.40
  6. Step 6: Final answer
    x = 2,125,129.34

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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.