Home / 2,381,983.70-3,287,157.53-1,294,255.28

Finding the Fourth Proportional to 2,381,983.70, 3,287,157.53 and 1,294,255.28

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Solution

The fourth proportional to 2,381,983.70, 3,287,157.53 and 1,294,255.28 is: 1,786,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,381,983.70 : 3,287,157.53 = 1,294,255.28 : x
  2. Step 2: Convert to fraction form
    2,381,983.70/3,287,157.53 = 1,294,255.28/x
  3. Step 3: Cross multiply
    2,381,983.70x = 3,287,157.53 × 1,294,255.28
  4. Step 4: Simplify right side
    2,381,983.70x = 4,254,420,982,922.98
  5. Step 5: Solve for x
    x = 4,254,420,982,922.98/2,381,983.70
  6. Step 6: Final answer
    x = 1,786,083.16

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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.