Home / 5,585,622.87-8,379,090.42-1,991,900.73

Finding the Fourth Proportional to 5,585,622.87, 8,379,090.42 and 1,991,900.73

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Solution

The fourth proportional to 5,585,622.87, 8,379,090.42 and 1,991,900.73 is: 2,988,085.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585,622.87 : 8,379,090.42 = 1,991,900.73 : x
  2. Step 2: Convert to fraction form
    5,585,622.87/8,379,090.42 = 1,991,900.73/x
  3. Step 3: Cross multiply
    5,585,622.87x = 8,379,090.42 × 1,991,900.73
  4. Step 4: Simplify right side
    5,585,622.87x = 16,690,316,324,334.01
  5. Step 5: Solve for x
    x = 16,690,316,324,334.01/5,585,622.87
  6. Step 6: Final answer
    x = 2,988,085.07

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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.