Home / 2,113,215.12-2,916,170.78-1,182,922.56

Finding the Fourth Proportional to 2,113,215.12, 2,916,170.78 and 1,182,922.56

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Solution

The fourth proportional to 2,113,215.12, 2,916,170.78 and 1,182,922.56 is: 1,632,396.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,113,215.12 : 2,916,170.78 = 1,182,922.56 : x
  2. Step 2: Convert to fraction form
    2,113,215.12/2,916,170.78 = 1,182,922.56/x
  3. Step 3: Cross multiply
    2,113,215.12x = 2,916,170.78 × 1,182,922.56
  4. Step 4: Simplify right side
    2,113,215.12x = 3,449,604,198,560.18
  5. Step 5: Solve for x
    x = 3,449,604,198,560.18/2,113,215.12
  6. Step 6: Final answer
    x = 1,632,396.14

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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.