Home / 2,555,980.92-3,831,951.24-1,275,931.44

Finding the Fourth Proportional to 2,555,980.92, 3,831,951.24 and 1,275,931.44

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Solution

The fourth proportional to 2,555,980.92, 3,831,951.24 and 1,275,931.44 is: 1,912,888.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555,980.92 : 3,831,951.24 = 1,275,931.44 : x
  2. Step 2: Convert to fraction form
    2,555,980.92/3,831,951.24 = 1,275,931.44/x
  3. Step 3: Cross multiply
    2,555,980.92x = 3,831,951.24 × 1,275,931.44
  4. Step 4: Simplify right side
    2,555,980.92x = 4,889,307,063,662.99
  5. Step 5: Solve for x
    x = 4,889,307,063,662.99/2,555,980.92
  6. Step 6: Final answer
    x = 1,912,888.72

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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.