Home / 3,919,990.31-5,409,084.00-2,288,023.37

Finding the Fourth Proportional to 3,919,990.31, 5,409,084.00 and 2,288,023.37

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Solution

The fourth proportional to 3,919,990.31, 5,409,084.00 and 2,288,023.37 is: 3,157,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,990.31 : 5,409,084.00 = 2,288,023.37 : x
  2. Step 2: Convert to fraction form
    3,919,990.31/5,409,084.00 = 2,288,023.37/x
  3. Step 3: Cross multiply
    3,919,990.31x = 5,409,084.00 × 2,288,023.37
  4. Step 4: Simplify right side
    3,919,990.31x = 12,376,110,563,807.54
  5. Step 5: Solve for x
    x = 12,376,110,563,807.54/3,919,990.31
  6. Step 6: Final answer
    x = 3,157,178.87

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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.