Home / 2,253,486.57-3,109,784.99-1,220,974.17

Finding the Fourth Proportional to 2,253,486.57, 3,109,784.99 and 1,220,974.17

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Solution

The fourth proportional to 2,253,486.57, 3,109,784.99 and 1,220,974.17 is: 1,684,930.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,253,486.57 : 3,109,784.99 = 1,220,974.17 : x
  2. Step 2: Convert to fraction form
    2,253,486.57/3,109,784.99 = 1,220,974.17/x
  3. Step 3: Cross multiply
    2,253,486.57x = 3,109,784.99 × 1,220,974.17
  4. Step 4: Simplify right side
    2,253,486.57x = 3,796,967,140,938.84
  5. Step 5: Solve for x
    x = 3,796,967,140,938.84/2,253,486.57
  6. Step 6: Final answer
    x = 1,684,930.01

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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.