Home / 2,078,473.10-3,117,806.85-658,640.30

Finding the Fourth Proportional to 2,078,473.10, 3,117,806.85 and 658,640.30

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Solution

The fourth proportional to 2,078,473.10, 3,117,806.85 and 658,640.30 is: 987,991.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,473.10 : 3,117,806.85 = 658,640.30 : x
  2. Step 2: Convert to fraction form
    2,078,473.10/3,117,806.85 = 658,640.30/x
  3. Step 3: Cross multiply
    2,078,473.10x = 3,117,806.85 × 658,640.30
  4. Step 4: Simplify right side
    2,078,473.10x = 2,053,513,239,026.06
  5. Step 5: Solve for x
    x = 2,053,513,239,026.06/2,078,473.10
  6. Step 6: Final answer
    x = 987,991.25

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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.