Home / 3,354,786.17-4,628,989.92-1,978,560.53

Finding the Fourth Proportional to 3,354,786.17, 4,628,989.92 and 1,978,560.53

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Solution

The fourth proportional to 3,354,786.17, 4,628,989.92 and 1,978,560.53 is: 2,730,050.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,354,786.17 : 4,628,989.92 = 1,978,560.53 : x
  2. Step 2: Convert to fraction form
    3,354,786.17/4,628,989.92 = 1,978,560.53/x
  3. Step 3: Cross multiply
    3,354,786.17x = 4,628,989.92 × 1,978,560.53
  4. Step 4: Simplify right side
    3,354,786.17x = 9,158,736,726,334.91
  5. Step 5: Solve for x
    x = 9,158,736,726,334.91/3,354,786.17
  6. Step 6: Final answer
    x = 2,730,050.82

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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.