Home / 1,821,381.30-2,732,071.95-1,112,793.30

Finding the Fourth Proportional to 1,821,381.30, 2,732,071.95 and 1,112,793.30

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Solution

The fourth proportional to 1,821,381.30, 2,732,071.95 and 1,112,793.30 is: 1,669,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,381.30 : 2,732,071.95 = 1,112,793.30 : x
  2. Step 2: Convert to fraction form
    1,821,381.30/2,732,071.95 = 1,112,793.30/x
  3. Step 3: Cross multiply
    1,821,381.30x = 2,732,071.95 × 1,112,793.30
  4. Step 4: Simplify right side
    1,821,381.30x = 3,040,231,361,077.94
  5. Step 5: Solve for x
    x = 3,040,231,361,077.94/1,821,381.30
  6. Step 6: Final answer
    x = 1,669,189.95

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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.