Home / 3,917,280.08-5,405,886.60-2,174,978

Finding the Fourth Proportional to 3,917,280.08, 5,405,886.60 and 2,174,978

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Solution

The fourth proportional to 3,917,280.08, 5,405,886.60 and 2,174,978 is: 3,001,491.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917,280.08 : 5,405,886.60 = 2,174,978 : x
  2. Step 2: Convert to fraction form
    3,917,280.08/5,405,886.60 = 2,174,978/x
  3. Step 3: Cross multiply
    3,917,280.08x = 5,405,886.60 × 2,174,978
  4. Step 4: Simplify right side
    3,917,280.08x = 11,757,684,425,494.80
  5. Step 5: Solve for x
    x = 11,757,684,425,494.80/3,917,280.08
  6. Step 6: Final answer
    x = 3,001,491.90

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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.