Home / 4,640,680.80-6,952,726.80-3,977,128.80

Finding the Fourth Proportional to 4,640,680.80, 6,952,726.80 and 3,977,128.80

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Solution

The fourth proportional to 4,640,680.80, 6,952,726.80 and 3,977,128.80 is: 5,958,584.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,640,680.80 : 6,952,726.80 = 3,977,128.80 : x
  2. Step 2: Convert to fraction form
    4,640,680.80/6,952,726.80 = 3,977,128.80/x
  3. Step 3: Cross multiply
    4,640,680.80x = 6,952,726.80 × 3,977,128.80
  4. Step 4: Simplify right side
    4,640,680.80x = 27,651,889,994,811.84
  5. Step 5: Solve for x
    x = 27,651,889,994,811.84/4,640,680.80
  6. Step 6: Final answer
    x = 5,958,584.78

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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.