Home / 2,109,000.12-3,164,039.64-613,092.12

Finding the Fourth Proportional to 2,109,000.12, 3,164,039.64 and 613,092.12

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Solution

The fourth proportional to 2,109,000.12, 3,164,039.64 and 613,092.12 is: 919,795.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,000.12 : 3,164,039.64 = 613,092.12 : x
  2. Step 2: Convert to fraction form
    2,109,000.12/3,164,039.64 = 613,092.12/x
  3. Step 3: Cross multiply
    2,109,000.12x = 3,164,039.64 × 613,092.12
  4. Step 4: Simplify right side
    2,109,000.12x = 1,939,847,770,651.64
  5. Step 5: Solve for x
    x = 1,939,847,770,651.64/2,109,000.12
  6. Step 6: Final answer
    x = 919,795.00

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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.