Home / 2,617,516.77-3,926,324.36-820,360.45

Finding the Fourth Proportional to 2,617,516.77, 3,926,324.36 and 820,360.45

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Solution

The fourth proportional to 2,617,516.77, 3,926,324.36 and 820,360.45 is: 1,230,556.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,617,516.77 : 3,926,324.36 = 820,360.45 : x
  2. Step 2: Convert to fraction form
    2,617,516.77/3,926,324.36 = 820,360.45/x
  3. Step 3: Cross multiply
    2,617,516.77x = 3,926,324.36 × 820,360.45
  4. Step 4: Simplify right side
    2,617,516.77x = 3,221,001,218,815.56
  5. Step 5: Solve for x
    x = 3,221,001,218,815.56/2,617,516.77
  6. Step 6: Final answer
    x = 1,230,556.10

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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.