Home / 2,307,990.79-3,184,860.49-1,275,486.22

Finding the Fourth Proportional to 2,307,990.79, 3,184,860.49 and 1,275,486.22

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Solution

The fourth proportional to 2,307,990.79, 3,184,860.49 and 1,275,486.22 is: 1,760,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,307,990.79 : 3,184,860.49 = 1,275,486.22 : x
  2. Step 2: Convert to fraction form
    2,307,990.79/3,184,860.49 = 1,275,486.22/x
  3. Step 3: Cross multiply
    2,307,990.79x = 3,184,860.49 × 1,275,486.22
  4. Step 4: Simplify right side
    2,307,990.79x = 4,062,245,667,617.45
  5. Step 5: Solve for x
    x = 4,062,245,667,617.45/2,307,990.79
  6. Step 6: Final answer
    x = 1,760,078.80

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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.