Home / 2,620,012.20-3,927,642.30-936,724.20

Finding the Fourth Proportional to 2,620,012.20, 3,927,642.30 and 936,724.20

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Solution

The fourth proportional to 2,620,012.20, 3,927,642.30 and 936,724.20 is: 1,404,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,620,012.20 : 3,927,642.30 = 936,724.20 : x
  2. Step 2: Convert to fraction form
    2,620,012.20/3,927,642.30 = 936,724.20/x
  3. Step 3: Cross multiply
    2,620,012.20x = 3,927,642.30 × 936,724.20
  4. Step 4: Simplify right side
    2,620,012.20x = 3,679,117,591,353.66
  5. Step 5: Solve for x
    x = 3,679,117,591,353.66/2,620,012.20
  6. Step 6: Final answer
    x = 1,404,236.82

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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.