Home / 2,912,489.40-4,368,734.10-2,651,215.80

Finding the Fourth Proportional to 2,912,489.40, 4,368,734.10 and 2,651,215.80

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Solution

The fourth proportional to 2,912,489.40, 4,368,734.10 and 2,651,215.80 is: 3,976,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,489.40 : 4,368,734.10 = 2,651,215.80 : x
  2. Step 2: Convert to fraction form
    2,912,489.40/4,368,734.10 = 2,651,215.80/x
  3. Step 3: Cross multiply
    2,912,489.40x = 4,368,734.10 × 2,651,215.80
  4. Step 4: Simplify right side
    2,912,489.40x = 11,582,456,871,918.78
  5. Step 5: Solve for x
    x = 11,582,456,871,918.78/2,912,489.40
  6. Step 6: Final answer
    x = 3,976,823.70

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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.