Home / 3,149,769-4,348,024.77-2,117,874.90

Finding the Fourth Proportional to 3,149,769, 4,348,024.77 and 2,117,874.90

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Solution

The fourth proportional to 3,149,769, 4,348,024.77 and 2,117,874.90 is: 2,923,570.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,769 : 4,348,024.77 = 2,117,874.90 : x
  2. Step 2: Convert to fraction form
    3,149,769/4,348,024.77 = 2,117,874.90/x
  3. Step 3: Cross multiply
    3,149,769x = 4,348,024.77 × 2,117,874.90
  4. Step 4: Simplify right side
    3,149,769x = 9,208,572,524,961.27
  5. Step 5: Solve for x
    x = 9,208,572,524,961.27/3,149,769
  6. Step 6: Final answer
    x = 2,923,570.75

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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.