Home / 2,120,898.56-3,186,662.28-1,993,352.72

Finding the Fourth Proportional to 2,120,898.56, 3,186,662.28 and 1,993,352.72

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Solution

The fourth proportional to 2,120,898.56, 3,186,662.28 and 1,993,352.72 is: 2,995,023.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,898.56 : 3,186,662.28 = 1,993,352.72 : x
  2. Step 2: Convert to fraction form
    2,120,898.56/3,186,662.28 = 1,993,352.72/x
  3. Step 3: Cross multiply
    2,120,898.56x = 3,186,662.28 × 1,993,352.72
  4. Step 4: Simplify right side
    2,120,898.56x = 6,352,141,923,559.40
  5. Step 5: Solve for x
    x = 6,352,141,923,559.40/2,120,898.56
  6. Step 6: Final answer
    x = 2,995,023.92

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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.