Home / 3,905,778.07-5,389,735.96-2,163,344.17

Finding the Fourth Proportional to 3,905,778.07, 5,389,735.96 and 2,163,344.17

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Solution

The fourth proportional to 3,905,778.07, 5,389,735.96 and 2,163,344.17 is: 2,985,283.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,905,778.07 : 5,389,735.96 = 2,163,344.17 : x
  2. Step 2: Convert to fraction form
    3,905,778.07/5,389,735.96 = 2,163,344.17/x
  3. Step 3: Cross multiply
    3,905,778.07x = 5,389,735.96 × 2,163,344.17
  4. Step 4: Simplify right side
    3,905,778.07x = 11,659,853,848,022.65
  5. Step 5: Solve for x
    x = 11,659,853,848,022.65/3,905,778.07
  6. Step 6: Final answer
    x = 2,985,283.25

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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.