Home / 3,131,331.66-4,689,459.63-1,780,188.48

Finding the Fourth Proportional to 3,131,331.66, 4,689,459.63 and 1,780,188.48

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Solution

The fourth proportional to 3,131,331.66, 4,689,459.63 and 1,780,188.48 is: 2,665,997.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131,331.66 : 4,689,459.63 = 1,780,188.48 : x
  2. Step 2: Convert to fraction form
    3,131,331.66/4,689,459.63 = 1,780,188.48/x
  3. Step 3: Cross multiply
    3,131,331.66x = 4,689,459.63 × 1,780,188.48
  4. Step 4: Simplify right side
    3,131,331.66x = 8,348,122,010,751.06
  5. Step 5: Solve for x
    x = 8,348,122,010,751.06/3,131,331.66
  6. Step 6: Final answer
    x = 2,665,997.38

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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.