Home / 2,680,391.40-4,019,204.70-996,628.20

Finding the Fourth Proportional to 2,680,391.40, 4,019,204.70 and 996,628.20

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Solution

The fourth proportional to 2,680,391.40, 4,019,204.70 and 996,628.20 is: 1,494,428.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680,391.40 : 4,019,204.70 = 996,628.20 : x
  2. Step 2: Convert to fraction form
    2,680,391.40/4,019,204.70 = 996,628.20/x
  3. Step 3: Cross multiply
    2,680,391.40x = 4,019,204.70 × 996,628.20
  4. Step 4: Simplify right side
    2,680,391.40x = 4,005,652,745,592.54
  5. Step 5: Solve for x
    x = 4,005,652,745,592.54/2,680,391.40
  6. Step 6: Final answer
    x = 1,494,428.29

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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.