Home / 2,712,914.77-3,743,807.61-1,489,241.12

Finding the Fourth Proportional to 2,712,914.77, 3,743,807.61 and 1,489,241.12

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Solution

The fourth proportional to 2,712,914.77, 3,743,807.61 and 1,489,241.12 is: 2,055,144.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,914.77 : 3,743,807.61 = 1,489,241.12 : x
  2. Step 2: Convert to fraction form
    2,712,914.77/3,743,807.61 = 1,489,241.12/x
  3. Step 3: Cross multiply
    2,712,914.77x = 3,743,807.61 × 1,489,241.12
  4. Step 4: Simplify right side
    2,712,914.77x = 5,575,432,238,180.92
  5. Step 5: Solve for x
    x = 5,575,432,238,180.92/2,712,914.77
  6. Step 6: Final answer
    x = 2,055,144.64

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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.