Home / 3,906,333.19-5,390,739.03-2,164,115.80

Finding the Fourth Proportional to 3,906,333.19, 5,390,739.03 and 2,164,115.80

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Solution

The fourth proportional to 3,906,333.19, 5,390,739.03 and 2,164,115.80 is: 2,986,479.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,906,333.19 : 5,390,739.03 = 2,164,115.80 : x
  2. Step 2: Convert to fraction form
    3,906,333.19/5,390,739.03 = 2,164,115.80/x
  3. Step 3: Cross multiply
    3,906,333.19x = 5,390,739.03 × 2,164,115.80
  4. Step 4: Simplify right side
    3,906,333.19x = 11,666,183,508,499.67
  5. Step 5: Solve for x
    x = 11,666,183,508,499.67/3,906,333.19
  6. Step 6: Final answer
    x = 2,986,479.38

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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.