Home / 5,428,883.90-8,147,918.55-2,236,301.30

Finding the Fourth Proportional to 5,428,883.90, 8,147,918.55 and 2,236,301.30

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Solution

The fourth proportional to 5,428,883.90, 8,147,918.55 and 2,236,301.30 is: 3,356,343.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,883.90 : 8,147,918.55 = 2,236,301.30 : x
  2. Step 2: Convert to fraction form
    5,428,883.90/8,147,918.55 = 2,236,301.30/x
  3. Step 3: Cross multiply
    5,428,883.90x = 8,147,918.55 × 2,236,301.30
  4. Step 4: Simplify right side
    5,428,883.90x = 18,221,200,845,659.11
  5. Step 5: Solve for x
    x = 18,221,200,845,659.11/5,428,883.90
  6. Step 6: Final answer
    x = 3,356,343.80

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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.