Home / 2,680,836.80-4,021,838.40-883,414.40

Finding the Fourth Proportional to 2,680,836.80, 4,021,838.40 and 883,414.40

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Solution

The fourth proportional to 2,680,836.80, 4,021,838.40 and 883,414.40 is: 1,325,313.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,836.80 : 4,021,838.40 = 883,414.40 : x
  2. Step 2: Convert to fraction form
    2,680,836.80/4,021,838.40 = 883,414.40/x
  3. Step 3: Cross multiply
    2,680,836.80x = 4,021,838.40 × 883,414.40
  4. Step 4: Simplify right side
    2,680,836.80x = 3,552,949,957,032.96
  5. Step 5: Solve for x
    x = 3,552,949,957,032.96/2,680,836.80
  6. Step 6: Final answer
    x = 1,325,313.78

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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.