Home / 2,190,913.75-3,022,942.82-1,272,597.23

Finding the Fourth Proportional to 2,190,913.75, 3,022,942.82 and 1,272,597.23

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Solution

The fourth proportional to 2,190,913.75, 3,022,942.82 and 1,272,597.23 is: 1,755,883.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,913.75 : 3,022,942.82 = 1,272,597.23 : x
  2. Step 2: Convert to fraction form
    2,190,913.75/3,022,942.82 = 1,272,597.23/x
  3. Step 3: Cross multiply
    2,190,913.75x = 3,022,942.82 × 1,272,597.23
  4. Step 4: Simplify right side
    2,190,913.75x = 3,846,988,643,370.71
  5. Step 5: Solve for x
    x = 3,846,988,643,370.71/2,190,913.75
  6. Step 6: Final answer
    x = 1,755,883.20

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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.