Home / 5,985,797.20-8,978,887.16-2,342,382.78

Finding the Fourth Proportional to 5,985,797.20, 8,978,887.16 and 2,342,382.78

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Solution

The fourth proportional to 5,985,797.20, 8,978,887.16 and 2,342,382.78 is: 3,513,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,985,797.20 : 8,978,887.16 = 2,342,382.78 : x
  2. Step 2: Convert to fraction form
    5,985,797.20/8,978,887.16 = 2,342,382.78/x
  3. Step 3: Cross multiply
    5,985,797.20x = 8,978,887.16 × 2,342,382.78
  4. Step 4: Simplify right side
    5,985,797.20x = 21,031,990,667,147.10
  5. Step 5: Solve for x
    x = 21,031,990,667,147.10/5,985,797.20
  6. Step 6: Final answer
    x = 3,513,649.05

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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.