Home / 2,170,719.36-3,256,106.64-822,519.72

Finding the Fourth Proportional to 2,170,719.36, 3,256,106.64 and 822,519.72

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Solution

The fourth proportional to 2,170,719.36, 3,256,106.64 and 822,519.72 is: 1,233,790.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,719.36 : 3,256,106.64 = 822,519.72 : x
  2. Step 2: Convert to fraction form
    2,170,719.36/3,256,106.64 = 822,519.72/x
  3. Step 3: Cross multiply
    2,170,719.36x = 3,256,106.64 × 822,519.72
  4. Step 4: Simplify right side
    2,170,719.36x = 2,678,211,921,822.94
  5. Step 5: Solve for x
    x = 2,678,211,921,822.94/2,170,719.36
  6. Step 6: Final answer
    x = 1,233,790.04

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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.