Home / 4,728,643.80-7,092,965.70-2,837,520.60

Finding the Fourth Proportional to 4,728,643.80, 7,092,965.70 and 2,837,520.60

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Solution

The fourth proportional to 4,728,643.80, 7,092,965.70 and 2,837,520.60 is: 4,256,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,728,643.80 : 7,092,965.70 = 2,837,520.60 : x
  2. Step 2: Convert to fraction form
    4,728,643.80/7,092,965.70 = 2,837,520.60/x
  3. Step 3: Cross multiply
    4,728,643.80x = 7,092,965.70 × 2,837,520.60
  4. Step 4: Simplify right side
    4,728,643.80x = 20,126,436,288,843.42
  5. Step 5: Solve for x
    x = 20,126,436,288,843.42/4,728,643.80
  6. Step 6: Final answer
    x = 4,256,280.90

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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.