Home / 3,178,085-4,765,629.18-1,154,906.12

Finding the Fourth Proportional to 3,178,085, 4,765,629.18 and 1,154,906.12

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Solution

The fourth proportional to 3,178,085, 4,765,629.18 and 1,154,906.12 is: 1,731,814.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,178,085 : 4,765,629.18 = 1,154,906.12 : x
  2. Step 2: Convert to fraction form
    3,178,085/4,765,629.18 = 1,154,906.12/x
  3. Step 3: Cross multiply
    3,178,085x = 4,765,629.18 × 1,154,906.12
  4. Step 4: Simplify right side
    3,178,085x = 5,503,854,305,632.58
  5. Step 5: Solve for x
    x = 5,503,854,305,632.58/3,178,085
  6. Step 6: Final answer
    x = 1,731,814.70

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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.