Home / 2,174,115.78-3,000,556.62-1,314,682.20

Finding the Fourth Proportional to 2,174,115.78, 3,000,556.62 and 1,314,682.20

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Solution

The fourth proportional to 2,174,115.78, 3,000,556.62 and 1,314,682.20 is: 1,814,428.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174,115.78 : 3,000,556.62 = 1,314,682.20 : x
  2. Step 2: Convert to fraction form
    2,174,115.78/3,000,556.62 = 1,314,682.20/x
  3. Step 3: Cross multiply
    2,174,115.78x = 3,000,556.62 × 1,314,682.20
  4. Step 4: Simplify right side
    2,174,115.78x = 3,944,778,378,406.16
  5. Step 5: Solve for x
    x = 3,944,778,378,406.16/2,174,115.78
  6. Step 6: Final answer
    x = 1,814,428.84

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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.