Home / 2,820,084-3,891,720.78-1,612,860

Finding the Fourth Proportional to 2,820,084, 3,891,720.78 and 1,612,860

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Solution

The fourth proportional to 2,820,084, 3,891,720.78 and 1,612,860 is: 2,225,749.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,084 : 3,891,720.78 = 1,612,860 : x
  2. Step 2: Convert to fraction form
    2,820,084/3,891,720.78 = 1,612,860/x
  3. Step 3: Cross multiply
    2,820,084x = 3,891,720.78 × 1,612,860
  4. Step 4: Simplify right side
    2,820,084x = 6,276,800,777,230.80
  5. Step 5: Solve for x
    x = 6,276,800,777,230.80/2,820,084
  6. Step 6: Final answer
    x = 2,225,749.58

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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.