Home / 3,936,922.56-5,432,952.96-2,126,086.40

Finding the Fourth Proportional to 3,936,922.56, 5,432,952.96 and 2,126,086.40

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Solution

The fourth proportional to 3,936,922.56, 5,432,952.96 and 2,126,086.40 is: 2,933,999.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,922.56 : 5,432,952.96 = 2,126,086.40 : x
  2. Step 2: Convert to fraction form
    3,936,922.56/5,432,952.96 = 2,126,086.40/x
  3. Step 3: Cross multiply
    3,936,922.56x = 5,432,952.96 × 2,126,086.40
  4. Step 4: Simplify right side
    3,936,922.56x = 11,550,927,400,095.74
  5. Step 5: Solve for x
    x = 11,550,927,400,095.74/3,936,922.56
  6. Step 6: Final answer
    x = 2,933,999.14

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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.