Home / 1,874,147.16-2,811,195.78-454,215.54

Finding the Fourth Proportional to 1,874,147.16, 2,811,195.78 and 454,215.54

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Solution

The fourth proportional to 1,874,147.16, 2,811,195.78 and 454,215.54 is: 681,317.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,874,147.16 : 2,811,195.78 = 454,215.54 : x
  2. Step 2: Convert to fraction form
    1,874,147.16/2,811,195.78 = 454,215.54/x
  3. Step 3: Cross multiply
    1,874,147.16x = 2,811,195.78 × 454,215.54
  4. Step 4: Simplify right side
    1,874,147.16x = 1,276,888,809,258.42
  5. Step 5: Solve for x
    x = 1,276,888,809,258.42/1,874,147.16
  6. Step 6: Final answer
    x = 681,317.26

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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.