Home / 6,213,836.78-9,321,087.30-1,954,337.12

Finding the Fourth Proportional to 6,213,836.78, 9,321,087.30 and 1,954,337.12

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Solution

The fourth proportional to 6,213,836.78, 9,321,087.30 and 1,954,337.12 is: 2,931,610.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,213,836.78 : 9,321,087.30 = 1,954,337.12 : x
  2. Step 2: Convert to fraction form
    6,213,836.78/9,321,087.30 = 1,954,337.12/x
  3. Step 3: Cross multiply
    6,213,836.78x = 9,321,087.30 × 1,954,337.12
  4. Step 4: Simplify right side
    6,213,836.78x = 18,216,546,909,150.58
  5. Step 5: Solve for x
    x = 18,216,546,909,150.58/6,213,836.78
  6. Step 6: Final answer
    x = 2,931,610.14

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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.