Home / 3,121,183.13-4,681,774.69-877,321.13

Finding the Fourth Proportional to 3,121,183.13, 4,681,774.69 and 877,321.13

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Solution

The fourth proportional to 3,121,183.13, 4,681,774.69 and 877,321.13 is: 1,315,981.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,121,183.13 : 4,681,774.69 = 877,321.13 : x
  2. Step 2: Convert to fraction form
    3,121,183.13/4,681,774.69 = 877,321.13/x
  3. Step 3: Cross multiply
    3,121,183.13x = 4,681,774.69 × 877,321.13
  4. Step 4: Simplify right side
    3,121,183.13x = 4,107,419,835,834.02
  5. Step 5: Solve for x
    x = 4,107,419,835,834.02/3,121,183.13
  6. Step 6: Final answer
    x = 1,315,981.69

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.