Home / 6,213,838.78-9,321,090.30-1,954,339.12

Finding the Fourth Proportional to 6,213,838.78, 9,321,090.30 and 1,954,339.12

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Solution

The fourth proportional to 6,213,838.78, 9,321,090.30 and 1,954,339.12 is: 2,931,613.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213,838.78 : 9,321,090.30 = 1,954,339.12 : x
  2. Step 2: Convert to fraction form
    6,213,838.78/9,321,090.30 = 1,954,339.12/x
  3. Step 3: Cross multiply
    6,213,838.78x = 9,321,090.30 × 1,954,339.12
  4. Step 4: Simplify right side
    6,213,838.78x = 18,216,571,414,342.54
  5. Step 5: Solve for x
    x = 18,216,571,414,342.54/6,213,838.78
  6. Step 6: Final answer
    x = 2,931,613.14

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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.