Home / 2,039,969.70-3,059,954.55-1,228,155.30

Finding the Fourth Proportional to 2,039,969.70, 3,059,954.55 and 1,228,155.30

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Solution

The fourth proportional to 2,039,969.70, 3,059,954.55 and 1,228,155.30 is: 1,842,232.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,039,969.70 : 3,059,954.55 = 1,228,155.30 : x
  2. Step 2: Convert to fraction form
    2,039,969.70/3,059,954.55 = 1,228,155.30/x
  3. Step 3: Cross multiply
    2,039,969.70x = 3,059,954.55 × 1,228,155.30
  4. Step 4: Simplify right side
    2,039,969.70x = 3,758,099,398,341.62
  5. Step 5: Solve for x
    x = 3,758,099,398,341.62/2,039,969.70
  6. Step 6: Final answer
    x = 1,842,232.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.