Home / 1,581,734.16-2,383,394.94-1,307,396.88

Finding the Fourth Proportional to 1,581,734.16, 2,383,394.94 and 1,307,396.88

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Solution

The fourth proportional to 1,581,734.16, 2,383,394.94 and 1,307,396.88 is: 1,970,016.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,734.16 : 2,383,394.94 = 1,307,396.88 : x
  2. Step 2: Convert to fraction form
    1,581,734.16/2,383,394.94 = 1,307,396.88/x
  3. Step 3: Cross multiply
    1,581,734.16x = 2,383,394.94 × 1,307,396.88
  4. Step 4: Simplify right side
    1,581,734.16x = 3,116,043,108,363.79
  5. Step 5: Solve for x
    x = 3,116,043,108,363.79/1,581,734.16
  6. Step 6: Final answer
    x = 1,970,016.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.