Home / 3,622,705.40-4,999,343.94-1,991,279.94

Finding the Fourth Proportional to 3,622,705.40, 4,999,343.94 and 1,991,279.94

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Solution

The fourth proportional to 3,622,705.40, 4,999,343.94 and 1,991,279.94 is: 2,747,972.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622,705.40 : 4,999,343.94 = 1,991,279.94 : x
  2. Step 2: Convert to fraction form
    3,622,705.40/4,999,343.94 = 1,991,279.94/x
  3. Step 3: Cross multiply
    3,622,705.40x = 4,999,343.94 × 1,991,279.94
  4. Step 4: Simplify right side
    3,622,705.40x = 9,955,093,300,882.57
  5. Step 5: Solve for x
    x = 9,955,093,300,882.57/3,622,705.40
  6. Step 6: Final answer
    x = 2,747,972.09

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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.