Home / 4,086,647.16-5,639,169.42-2,275,979.64

Finding the Fourth Proportional to 4,086,647.16, 5,639,169.42 and 2,275,979.64

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Solution

The fourth proportional to 4,086,647.16, 5,639,169.42 and 2,275,979.64 is: 3,140,627.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086,647.16 : 5,639,169.42 = 2,275,979.64 : x
  2. Step 2: Convert to fraction form
    4,086,647.16/5,639,169.42 = 2,275,979.64/x
  3. Step 3: Cross multiply
    4,086,647.16x = 5,639,169.42 × 2,275,979.64
  4. Step 4: Simplify right side
    4,086,647.16x = 12,834,634,786,430.61
  5. Step 5: Solve for x
    x = 12,834,634,786,430.61/4,086,647.16
  6. Step 6: Final answer
    x = 3,140,627.09

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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.