Home / 3,936,967.80-5,433,015.60-2,126,131.80

Finding the Fourth Proportional to 3,936,967.80, 5,433,015.60 and 2,126,131.80

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Solution

The fourth proportional to 3,936,967.80, 5,433,015.60 and 2,126,131.80 is: 2,934,061.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,967.80 : 5,433,015.60 = 2,126,131.80 : x
  2. Step 2: Convert to fraction form
    3,936,967.80/5,433,015.60 = 2,126,131.80/x
  3. Step 3: Cross multiply
    3,936,967.80x = 5,433,015.60 × 2,126,131.80
  4. Step 4: Simplify right side
    3,936,967.80x = 11,551,307,237,056.08
  5. Step 5: Solve for x
    x = 11,551,307,237,056.08/3,936,967.80
  6. Step 6: Final answer
    x = 2,934,061.90

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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.