Home / 3,936,907.57-5,432,932.40-2,126,071.57

Finding the Fourth Proportional to 3,936,907.57, 5,432,932.40 and 2,126,071.57

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Solution

The fourth proportional to 3,936,907.57, 5,432,932.40 and 2,126,071.57 is: 2,933,978.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,907.57 : 5,432,932.40 = 2,126,071.57 : x
  2. Step 2: Convert to fraction form
    3,936,907.57/5,432,932.40 = 2,126,071.57/x
  3. Step 3: Cross multiply
    3,936,907.57x = 5,432,932.40 × 2,126,071.57
  4. Step 4: Simplify right side
    3,936,907.57x = 11,550,803,109,104.71
  5. Step 5: Solve for x
    x = 11,550,803,109,104.71/3,936,907.57
  6. Step 6: Final answer
    x = 2,933,978.74

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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.