Home / 3,919,920.30-5,409,643.53-2,682,127.06

Finding the Fourth Proportional to 3,919,920.30, 5,409,643.53 and 2,682,127.06

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Solution

The fourth proportional to 3,919,920.30, 5,409,643.53 and 2,682,127.06 is: 3,701,440.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,919,920.30 : 5,409,643.53 = 2,682,127.06 : x
  2. Step 2: Convert to fraction form
    3,919,920.30/5,409,643.53 = 2,682,127.06/x
  3. Step 3: Cross multiply
    3,919,920.30x = 5,409,643.53 × 2,682,127.06
  4. Step 4: Simplify right side
    3,919,920.30x = 14,509,351,296,766.92
  5. Step 5: Solve for x
    x = 14,509,351,296,766.92/3,919,920.30
  6. Step 6: Final answer
    x = 3,701,440.38

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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.