Home / 2,802,939.70-4,195,552.20-2,200,639.90

Finding the Fourth Proportional to 2,802,939.70, 4,195,552.20 and 2,200,639.90

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Solution

The fourth proportional to 2,802,939.70, 4,195,552.20 and 2,200,639.90 is: 3,294,005.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,939.70 : 4,195,552.20 = 2,200,639.90 : x
  2. Step 2: Convert to fraction form
    2,802,939.70/4,195,552.20 = 2,200,639.90/x
  3. Step 3: Cross multiply
    2,802,939.70x = 4,195,552.20 × 2,200,639.90
  4. Step 4: Simplify right side
    2,802,939.70x = 9,232,899,573,852.78
  5. Step 5: Solve for x
    x = 9,232,899,573,852.78/2,802,939.70
  6. Step 6: Final answer
    x = 3,294,005.78

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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.