Home / 5,181,692.08-7,150,827-2,889,606.64

Finding the Fourth Proportional to 5,181,692.08, 7,150,827 and 2,889,606.64

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Solution

The fourth proportional to 5,181,692.08, 7,150,827 and 2,889,606.64 is: 3,987,708.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,692.08 : 7,150,827 = 2,889,606.64 : x
  2. Step 2: Convert to fraction form
    5,181,692.08/7,150,827 = 2,889,606.64/x
  3. Step 3: Cross multiply
    5,181,692.08x = 7,150,827 × 2,889,606.64
  4. Step 4: Simplify right side
    5,181,692.08x = 20,663,077,180,691.28
  5. Step 5: Solve for x
    x = 20,663,077,180,691.28/5,181,692.08
  6. Step 6: Final answer
    x = 3,987,708.43

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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.