Home / 3,189,653.86-4,401,828.62-1,739,428.65

Finding the Fourth Proportional to 3,189,653.86, 4,401,828.62 and 1,739,428.65

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Solution

The fourth proportional to 3,189,653.86, 4,401,828.62 and 1,739,428.65 is: 2,400,469.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,653.86 : 4,401,828.62 = 1,739,428.65 : x
  2. Step 2: Convert to fraction form
    3,189,653.86/4,401,828.62 = 1,739,428.65/x
  3. Step 3: Cross multiply
    3,189,653.86x = 4,401,828.62 × 1,739,428.65
  4. Step 4: Simplify right side
    3,189,653.86x = 7,656,666,783,311.68
  5. Step 5: Solve for x
    x = 7,656,666,783,311.68/3,189,653.86
  6. Step 6: Final answer
    x = 2,400,469.49

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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.