Home / 5,638,379.86-7,780,961.01-3,190,946.46

Finding the Fourth Proportional to 5,638,379.86, 7,780,961.01 and 3,190,946.46

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Solution

The fourth proportional to 5,638,379.86, 7,780,961.01 and 3,190,946.46 is: 4,403,504.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638,379.86 : 7,780,961.01 = 3,190,946.46 : x
  2. Step 2: Convert to fraction form
    5,638,379.86/7,780,961.01 = 3,190,946.46/x
  3. Step 3: Cross multiply
    5,638,379.86x = 7,780,961.01 × 3,190,946.46
  4. Step 4: Simplify right side
    5,638,379.86x = 24,828,629,990,257.52
  5. Step 5: Solve for x
    x = 24,828,629,990,257.52/5,638,379.86
  6. Step 6: Final answer
    x = 4,403,504.31

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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.