Home / 3,658,120.11-5,485,678.16-1,098,440.73

Finding the Fourth Proportional to 3,658,120.11, 5,485,678.16 and 1,098,440.73

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Solution

The fourth proportional to 3,658,120.11, 5,485,678.16 and 1,098,440.73 is: 1,647,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,658,120.11 : 5,485,678.16 = 1,098,440.73 : x
  2. Step 2: Convert to fraction form
    3,658,120.11/5,485,678.16 = 1,098,440.73/x
  3. Step 3: Cross multiply
    3,658,120.11x = 5,485,678.16 × 1,098,440.73
  4. Step 4: Simplify right side
    3,658,120.11x = 6,025,692,317,123.25
  5. Step 5: Solve for x
    x = 6,025,692,317,123.25/3,658,120.11
  6. Step 6: Final answer
    x = 1,647,210.08

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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.