Home / 2,820,771.28-3,891,703.08-1,802,763.28

Finding the Fourth Proportional to 2,820,771.28, 3,891,703.08 and 1,802,763.28

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Solution

The fourth proportional to 2,820,771.28, 3,891,703.08 and 1,802,763.28 is: 2,487,198.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,771.28 : 3,891,703.08 = 1,802,763.28 : x
  2. Step 2: Convert to fraction form
    2,820,771.28/3,891,703.08 = 1,802,763.28/x
  3. Step 3: Cross multiply
    2,820,771.28x = 3,891,703.08 × 1,802,763.28
  4. Step 4: Simplify right side
    2,820,771.28x = 7,015,819,409,286.90
  5. Step 5: Solve for x
    x = 7,015,819,409,286.90/2,820,771.28
  6. Step 6: Final answer
    x = 2,487,198.97

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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.