Home / 3,389,648.36-4,678,003.22-1,919,818.37

Finding the Fourth Proportional to 3,389,648.36, 4,678,003.22 and 1,919,818.37

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Solution

The fourth proportional to 3,389,648.36, 4,678,003.22 and 1,919,818.37 is: 2,649,512.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,389,648.36 : 4,678,003.22 = 1,919,818.37 : x
  2. Step 2: Convert to fraction form
    3,389,648.36/4,678,003.22 = 1,919,818.37/x
  3. Step 3: Cross multiply
    3,389,648.36x = 4,678,003.22 × 1,919,818.37
  4. Step 4: Simplify right side
    3,389,648.36x = 8,980,916,534,969.54
  5. Step 5: Solve for x
    x = 8,980,916,534,969.54/3,389,648.36
  6. Step 6: Final answer
    x = 2,649,512.75

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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.