Home / 3,289,871.79-4,540,200.12-1,839,562.74

Finding the Fourth Proportional to 3,289,871.79, 4,540,200.12 and 1,839,562.74

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Solution

The fourth proportional to 3,289,871.79, 4,540,200.12 and 1,839,562.74 is: 2,538,695.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,871.79 : 4,540,200.12 = 1,839,562.74 : x
  2. Step 2: Convert to fraction form
    3,289,871.79/4,540,200.12 = 1,839,562.74/x
  3. Step 3: Cross multiply
    3,289,871.79x = 4,540,200.12 × 1,839,562.74
  4. Step 4: Simplify right side
    3,289,871.79x = 8,351,982,972,895.53
  5. Step 5: Solve for x
    x = 8,351,982,972,895.53/3,289,871.79
  6. Step 6: Final answer
    x = 2,538,695.58

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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.