Home / 3,936,969.30-5,433,017.67-2,126,133.30

Finding the Fourth Proportional to 3,936,969.30, 5,433,017.67 and 2,126,133.30

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Solution

The fourth proportional to 3,936,969.30, 5,433,017.67 and 2,126,133.30 is: 2,934,063.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,936,969.30 : 5,433,017.67 = 2,126,133.30 : x
  2. Step 2: Convert to fraction form
    3,936,969.30/5,433,017.67 = 2,126,133.30/x
  3. Step 3: Cross multiply
    3,936,969.30x = 5,433,017.67 × 2,126,133.30
  4. Step 4: Simplify right side
    3,936,969.30x = 11,551,319,787,675.41
  5. Step 5: Solve for x
    x = 11,551,319,787,675.41/3,936,969.30
  6. Step 6: Final answer
    x = 2,934,063.97

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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.