Home / 2,040,192.09-2,815,465.02-1,122,401.50

Finding the Fourth Proportional to 2,040,192.09, 2,815,465.02 and 1,122,401.50

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Solution

The fourth proportional to 2,040,192.09, 2,815,465.02 and 1,122,401.50 is: 1,548,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,192.09 : 2,815,465.02 = 1,122,401.50 : x
  2. Step 2: Convert to fraction form
    2,040,192.09/2,815,465.02 = 1,122,401.50/x
  3. Step 3: Cross multiply
    2,040,192.09x = 2,815,465.02 × 1,122,401.50
  4. Step 4: Simplify right side
    2,040,192.09x = 3,160,082,161,645.53
  5. Step 5: Solve for x
    x = 3,160,082,161,645.53/2,040,192.09
  6. Step 6: Final answer
    x = 1,548,914.03

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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.