Home / 3,889,216.80-5,833,825.20-2,931,213.60

Finding the Fourth Proportional to 3,889,216.80, 5,833,825.20 and 2,931,213.60

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Solution

The fourth proportional to 3,889,216.80, 5,833,825.20 and 2,931,213.60 is: 4,396,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,216.80 : 5,833,825.20 = 2,931,213.60 : x
  2. Step 2: Convert to fraction form
    3,889,216.80/5,833,825.20 = 2,931,213.60/x
  3. Step 3: Cross multiply
    3,889,216.80x = 5,833,825.20 × 2,931,213.60
  4. Step 4: Simplify right side
    3,889,216.80x = 17,100,187,766,262.72
  5. Step 5: Solve for x
    x = 17,100,187,766,262.72/3,889,216.80
  6. Step 6: Final answer
    x = 4,396,820.40

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1.5x scale

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.