Home / 2,072,920.08-3,109,380.12-1,185,834

Finding the Fourth Proportional to 2,072,920.08, 3,109,380.12 and 1,185,834

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Solution

The fourth proportional to 2,072,920.08, 3,109,380.12 and 1,185,834 is: 1,778,751

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,072,920.08 : 3,109,380.12 = 1,185,834 : x
  2. Step 2: Convert to fraction form
    2,072,920.08/3,109,380.12 = 1,185,834/x
  3. Step 3: Cross multiply
    2,072,920.08x = 3,109,380.12 × 1,185,834
  4. Step 4: Simplify right side
    2,072,920.08x = 3,687,208,665,220.08
  5. Step 5: Solve for x
    x = 3,687,208,665,220.08/2,072,920.08
  6. Step 6: Final answer
    x = 1,778,751

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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.