Home / 3,008,078.21-4,151,154.77-1,718,915.52

Finding the Fourth Proportional to 3,008,078.21, 4,151,154.77 and 1,718,915.52

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Solution

The fourth proportional to 3,008,078.21, 4,151,154.77 and 1,718,915.52 is: 2,372,107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008,078.21 : 4,151,154.77 = 1,718,915.52 : x
  2. Step 2: Convert to fraction form
    3,008,078.21/4,151,154.77 = 1,718,915.52/x
  3. Step 3: Cross multiply
    3,008,078.21x = 4,151,154.77 × 1,718,915.52
  4. Step 4: Simplify right side
    3,008,078.21x = 7,135,484,351,480.45
  5. Step 5: Solve for x
    x = 7,135,484,351,480.45/3,008,078.21
  6. Step 6: Final answer
    x = 2,372,107.33

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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.