Home / 6,814,786.80-9,404,036.25-3,914,178.48

Finding the Fourth Proportional to 6,814,786.80, 9,404,036.25 and 3,914,178.48

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Solution

The fourth proportional to 6,814,786.80, 9,404,036.25 and 3,914,178.48 is: 5,401,354.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814,786.80 : 9,404,036.25 = 3,914,178.48 : x
  2. Step 2: Convert to fraction form
    6,814,786.80/9,404,036.25 = 3,914,178.48/x
  3. Step 3: Cross multiply
    6,814,786.80x = 9,404,036.25 × 3,914,178.48
  4. Step 4: Simplify right side
    6,814,786.80x = 36,809,076,314,889.90
  5. Step 5: Solve for x
    x = 36,809,076,314,889.90/6,814,786.80
  6. Step 6: Final answer
    x = 5,401,354.05

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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.