Home / 5,388,609.80-8,082,914.70-3,869,082.20

Finding the Fourth Proportional to 5,388,609.80, 8,082,914.70 and 3,869,082.20

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Solution

The fourth proportional to 5,388,609.80, 8,082,914.70 and 3,869,082.20 is: 5,803,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,388,609.80 : 8,082,914.70 = 3,869,082.20 : x
  2. Step 2: Convert to fraction form
    5,388,609.80/8,082,914.70 = 3,869,082.20/x
  3. Step 3: Cross multiply
    5,388,609.80x = 8,082,914.70 × 3,869,082.20
  4. Step 4: Simplify right side
    5,388,609.80x = 31,273,461,389,888.34
  5. Step 5: Solve for x
    x = 31,273,461,389,888.34/5,388,609.80
  6. Step 6: Final answer
    x = 5,803,623.30

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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.