Home / 3,833,947.26-5,290,817.67-2,115,140.22

Finding the Fourth Proportional to 3,833,947.26, 5,290,817.67 and 2,115,140.22

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Solution

The fourth proportional to 3,833,947.26, 5,290,817.67 and 2,115,140.22 is: 2,918,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833,947.26 : 5,290,817.67 = 2,115,140.22 : x
  2. Step 2: Convert to fraction form
    3,833,947.26/5,290,817.67 = 2,115,140.22/x
  3. Step 3: Cross multiply
    3,833,947.26x = 5,290,817.67 × 2,115,140.22
  4. Step 4: Simplify right side
    3,833,947.26x = 11,190,821,250,503.69
  5. Step 5: Solve for x
    x = 11,190,821,250,503.69/3,833,947.26
  6. Step 6: Final answer
    x = 2,918,877.20

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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.