Home / 2,078,009.10-3,117,110.85-658,176.30

Finding the Fourth Proportional to 2,078,009.10, 3,117,110.85 and 658,176.30

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Solution

The fourth proportional to 2,078,009.10, 3,117,110.85 and 658,176.30 is: 987,295.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,009.10 : 3,117,110.85 = 658,176.30 : x
  2. Step 2: Convert to fraction form
    2,078,009.10/3,117,110.85 = 658,176.30/x
  3. Step 3: Cross multiply
    2,078,009.10x = 3,117,110.85 × 658,176.30
  4. Step 4: Simplify right side
    2,078,009.10x = 2,051,608,485,942.86
  5. Step 5: Solve for x
    x = 2,051,608,485,942.86/2,078,009.10
  6. Step 6: Final answer
    x = 987,295.24

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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.