Home / 3,985,993-5,978,933.34-1,854,885.16

Finding the Fourth Proportional to 3,985,993, 5,978,933.34 and 1,854,885.16

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Solution

The fourth proportional to 3,985,993, 5,978,933.34 and 1,854,885.16 is: 2,782,301.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,985,993 : 5,978,933.34 = 1,854,885.16 : x
  2. Step 2: Convert to fraction form
    3,985,993/5,978,933.34 = 1,854,885.16/x
  3. Step 3: Cross multiply
    3,985,993x = 5,978,933.34 × 1,854,885.16
  4. Step 4: Simplify right side
    3,985,993x = 11,090,234,724,995.23
  5. Step 5: Solve for x
    x = 11,090,234,724,995.23/3,985,993
  6. Step 6: Final answer
    x = 2,782,301.61

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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.