Home / 3,672,738.40-5,509,107.60-1,275,786.40

Finding the Fourth Proportional to 3,672,738.40, 5,509,107.60 and 1,275,786.40

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Solution

The fourth proportional to 3,672,738.40, 5,509,107.60 and 1,275,786.40 is: 1,913,679.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,672,738.40 : 5,509,107.60 = 1,275,786.40 : x
  2. Step 2: Convert to fraction form
    3,672,738.40/5,509,107.60 = 1,275,786.40/x
  3. Step 3: Cross multiply
    3,672,738.40x = 5,509,107.60 × 1,275,786.40
  4. Step 4: Simplify right side
    3,672,738.40x = 7,028,444,552,216.64
  5. Step 5: Solve for x
    x = 7,028,444,552,216.64/3,672,738.40
  6. Step 6: Final answer
    x = 1,913,679.60

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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.