Home / 2,198,782.89-3,034,403.82-1,231,880.13

Finding the Fourth Proportional to 2,198,782.89, 3,034,403.82 and 1,231,880.13

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Solution

The fourth proportional to 2,198,782.89, 3,034,403.82 and 1,231,880.13 is: 1,700,041.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,198,782.89 : 3,034,403.82 = 1,231,880.13 : x
  2. Step 2: Convert to fraction form
    2,198,782.89/3,034,403.82 = 1,231,880.13/x
  3. Step 3: Cross multiply
    2,198,782.89x = 3,034,403.82 × 1,231,880.13
  4. Step 4: Simplify right side
    2,198,782.89x = 3,738,021,772,254.10
  5. Step 5: Solve for x
    x = 3,738,021,772,254.10/2,198,782.89
  6. Step 6: Final answer
    x = 1,700,041.32

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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.