Home / 3,231,402.12-4,459,310.28-1,781,100.36

Finding the Fourth Proportional to 3,231,402.12, 4,459,310.28 and 1,781,100.36

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Solution

The fourth proportional to 3,231,402.12, 4,459,310.28 and 1,781,100.36 is: 2,457,904.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,231,402.12 : 4,459,310.28 = 1,781,100.36 : x
  2. Step 2: Convert to fraction form
    3,231,402.12/4,459,310.28 = 1,781,100.36/x
  3. Step 3: Cross multiply
    3,231,402.12x = 4,459,310.28 × 1,781,100.36
  4. Step 4: Simplify right side
    3,231,402.12x = 7,942,479,145,059.70
  5. Step 5: Solve for x
    x = 7,942,479,145,059.70/3,231,402.12
  6. Step 6: Final answer
    x = 2,457,904.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.