Home / 6,405,855.80-8,839,817.16-3,828,957.44

Finding the Fourth Proportional to 6,405,855.80, 8,839,817.16 and 3,828,957.44

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Solution

The fourth proportional to 6,405,855.80, 8,839,817.16 and 3,828,957.44 is: 5,283,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,405,855.80 : 8,839,817.16 = 3,828,957.44 : x
  2. Step 2: Convert to fraction form
    6,405,855.80/8,839,817.16 = 3,828,957.44/x
  3. Step 3: Cross multiply
    6,405,855.80x = 8,839,817.16 × 3,828,957.44
  4. Step 4: Simplify right side
    6,405,855.80x = 33,847,283,683,021.67
  5. Step 5: Solve for x
    x = 33,847,283,683,021.67/6,405,855.80
  6. Step 6: Final answer
    x = 5,283,803.56

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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.