Home / 2,102,920.57-2,902,999.13-1,231,634.35

Finding the Fourth Proportional to 2,102,920.57, 2,902,999.13 and 1,231,634.35

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Solution

The fourth proportional to 2,102,920.57, 2,902,999.13 and 1,231,634.35 is: 1,700,222.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,102,920.57 : 2,902,999.13 = 1,231,634.35 : x
  2. Step 2: Convert to fraction form
    2,102,920.57/2,902,999.13 = 1,231,634.35/x
  3. Step 3: Cross multiply
    2,102,920.57x = 2,902,999.13 × 1,231,634.35
  4. Step 4: Simplify right side
    2,102,920.57x = 3,575,433,446,528.12
  5. Step 5: Solve for x
    x = 3,575,433,446,528.12/2,102,920.57
  6. Step 6: Final answer
    x = 1,700,222.77

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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.