Home / 2,212,492.20-3,053,296.67-1,245,657.38

Finding the Fourth Proportional to 2,212,492.20, 3,053,296.67 and 1,245,657.38

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Solution

The fourth proportional to 2,212,492.20, 3,053,296.67 and 1,245,657.38 is: 1,719,039.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,492.20 : 3,053,296.67 = 1,245,657.38 : x
  2. Step 2: Convert to fraction form
    2,212,492.20/3,053,296.67 = 1,245,657.38/x
  3. Step 3: Cross multiply
    2,212,492.20x = 3,053,296.67 × 1,245,657.38
  4. Step 4: Simplify right side
    2,212,492.20x = 3,803,361,508,820.15
  5. Step 5: Solve for x
    x = 3,803,361,508,820.15/2,212,492.20
  6. Step 6: Final answer
    x = 1,719,039.51

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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.