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Finding the Fourth Proportional to 2,888,993.47, 3,986,807.39 and 1,599,832.30

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Solution

The fourth proportional to 2,888,993.47, 3,986,807.39 and 1,599,832.30 is: 2,207,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,888,993.47 : 3,986,807.39 = 1,599,832.30 : x
  2. Step 2: Convert to fraction form
    2,888,993.47/3,986,807.39 = 1,599,832.30/x
  3. Step 3: Cross multiply
    2,888,993.47x = 3,986,807.39 × 1,599,832.30
  4. Step 4: Simplify right side
    2,888,993.47x = 6,378,223,224,433.89
  5. Step 5: Solve for x
    x = 6,378,223,224,433.89/2,888,993.47
  6. Step 6: Final answer
    x = 2,207,766.58

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1.5x scale

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.