Home / 2,212,992.90-3,054,221.22-1,246,312.17

Finding the Fourth Proportional to 2,212,992.90, 3,054,221.22 and 1,246,312.17

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Solution

The fourth proportional to 2,212,992.90, 3,054,221.22 and 1,246,312.17 is: 1,720,074.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,212,992.90 : 3,054,221.22 = 1,246,312.17 : x
  2. Step 2: Convert to fraction form
    2,212,992.90/3,054,221.22 = 1,246,312.17/x
  3. Step 3: Cross multiply
    2,212,992.90x = 3,054,221.22 × 1,246,312.17
  4. Step 4: Simplify right side
    2,212,992.90x = 3,806,513,061,087.14
  5. Step 5: Solve for x
    x = 3,806,513,061,087.14/2,212,992.90
  6. Step 6: Final answer
    x = 1,720,074.69

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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.