Home / 5,364,174.20-8,046,261.30-1,320,629.90

Finding the Fourth Proportional to 5,364,174.20, 8,046,261.30 and 1,320,629.90

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Solution

The fourth proportional to 5,364,174.20, 8,046,261.30 and 1,320,629.90 is: 1,980,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,364,174.20 : 8,046,261.30 = 1,320,629.90 : x
  2. Step 2: Convert to fraction form
    5,364,174.20/8,046,261.30 = 1,320,629.90/x
  3. Step 3: Cross multiply
    5,364,174.20x = 8,046,261.30 × 1,320,629.90
  4. Step 4: Simplify right side
    5,364,174.20x = 10,626,133,255,992.87
  5. Step 5: Solve for x
    x = 10,626,133,255,992.87/5,364,174.20
  6. Step 6: Final answer
    x = 1,980,944.85

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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.