Home / 2,164,920.48-2,987,516.70-1,198,091.52

Finding the Fourth Proportional to 2,164,920.48, 2,987,516.70 and 1,198,091.52

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Solution

The fourth proportional to 2,164,920.48, 2,987,516.70 and 1,198,091.52 is: 1,653,325.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,164,920.48 : 2,987,516.70 = 1,198,091.52 : x
  2. Step 2: Convert to fraction form
    2,164,920.48/2,987,516.70 = 1,198,091.52/x
  3. Step 3: Cross multiply
    2,164,920.48x = 2,987,516.70 × 1,198,091.52
  4. Step 4: Simplify right side
    2,164,920.48x = 3,579,318,424,128.38
  5. Step 5: Solve for x
    x = 3,579,318,424,128.38/2,164,920.48
  6. Step 6: Final answer
    x = 1,653,325.59

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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.