Home / 6,942,722.40-10,415,653.92-3,747,780

Finding the Fourth Proportional to 6,942,722.40, 10,415,653.92 and 3,747,780

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Solution

The fourth proportional to 6,942,722.40, 10,415,653.92 and 3,747,780 is: 5,622,517.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,942,722.40 : 10,415,653.92 = 3,747,780 : x
  2. Step 2: Convert to fraction form
    6,942,722.40/10,415,653.92 = 3,747,780/x
  3. Step 3: Cross multiply
    6,942,722.40x = 10,415,653.92 × 3,747,780
  4. Step 4: Simplify right side
    6,942,722.40x = 39,035,579,448,297.60
  5. Step 5: Solve for x
    x = 39,035,579,448,297.60/6,942,722.40
  6. Step 6: Final answer
    x = 5,622,517.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.