Home / 5,228,965.06-7,216,147-2,905,955.48

Finding the Fourth Proportional to 5,228,965.06, 7,216,147 and 2,905,955.48

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Solution

The fourth proportional to 5,228,965.06, 7,216,147 and 2,905,955.48 is: 4,010,315.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228,965.06 : 7,216,147 = 2,905,955.48 : x
  2. Step 2: Convert to fraction form
    5,228,965.06/7,216,147 = 2,905,955.48/x
  3. Step 3: Cross multiply
    5,228,965.06x = 7,216,147 × 2,905,955.48
  4. Step 4: Simplify right side
    5,228,965.06x = 20,969,801,919,135.56
  5. Step 5: Solve for x
    x = 20,969,801,919,135.56/5,228,965.06
  6. Step 6: Final answer
    x = 4,010,315.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.