Home / 2,258,198.51-3,116,317.10-1,225,706.54

Finding the Fourth Proportional to 2,258,198.51, 3,116,317.10 and 1,225,706.54

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Solution

The fourth proportional to 2,258,198.51, 3,116,317.10 and 1,225,706.54 is: 1,691,476.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258,198.51 : 3,116,317.10 = 1,225,706.54 : x
  2. Step 2: Convert to fraction form
    2,258,198.51/3,116,317.10 = 1,225,706.54/x
  3. Step 3: Cross multiply
    2,258,198.51x = 3,116,317.10 × 1,225,706.54
  4. Step 4: Simplify right side
    2,258,198.51x = 3,819,690,228,473.72
  5. Step 5: Solve for x
    x = 3,819,690,228,473.72/2,258,198.51
  6. Step 6: Final answer
    x = 1,691,476.73

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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.