Home / 2,660,975.60-3,993,986.85-1,647,030.46

Finding the Fourth Proportional to 2,660,975.60, 3,993,986.85 and 1,647,030.46

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Solution

The fourth proportional to 2,660,975.60, 3,993,986.85 and 1,647,030.46 is: 2,472,107.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,660,975.60 : 3,993,986.85 = 1,647,030.46 : x
  2. Step 2: Convert to fraction form
    2,660,975.60/3,993,986.85 = 1,647,030.46/x
  3. Step 3: Cross multiply
    2,660,975.60x = 3,993,986.85 × 1,647,030.46
  4. Step 4: Simplify right side
    2,660,975.60x = 6,578,217,998,789.45
  5. Step 5: Solve for x
    x = 6,578,217,998,789.45/2,660,975.60
  6. Step 6: Final answer
    x = 2,472,107.60

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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.