Home / 2,221,857.36-3,332,790.90-802,915.56

Finding the Fourth Proportional to 2,221,857.36, 3,332,790.90 and 802,915.56

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Solution

The fourth proportional to 2,221,857.36, 3,332,790.90 and 802,915.56 is: 1,204,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221,857.36 : 3,332,790.90 = 802,915.56 : x
  2. Step 2: Convert to fraction form
    2,221,857.36/3,332,790.90 = 802,915.56/x
  3. Step 3: Cross multiply
    2,221,857.36x = 3,332,790.90 × 802,915.56
  4. Step 4: Simplify right side
    2,221,857.36x = 2,675,949,671,836.40
  5. Step 5: Solve for x
    x = 2,675,949,671,836.40/2,221,857.36
  6. Step 6: Final answer
    x = 1,204,375.10

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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.