Home / 2,754,540.40-4,131,810.60-1,992,808.30

Finding the Fourth Proportional to 2,754,540.40, 4,131,810.60 and 1,992,808.30

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Solution

The fourth proportional to 2,754,540.40, 4,131,810.60 and 1,992,808.30 is: 2,989,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,754,540.40 : 4,131,810.60 = 1,992,808.30 : x
  2. Step 2: Convert to fraction form
    2,754,540.40/4,131,810.60 = 1,992,808.30/x
  3. Step 3: Cross multiply
    2,754,540.40x = 4,131,810.60 × 1,992,808.30
  4. Step 4: Simplify right side
    2,754,540.40x = 8,233,906,457,707.98
  5. Step 5: Solve for x
    x = 8,233,906,457,707.98/2,754,540.40
  6. Step 6: Final answer
    x = 2,989,212.45

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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.