Home / 1,660,933.10-2,489,844.45-1,300,904.30

Finding the Fourth Proportional to 1,660,933.10, 2,489,844.45 and 1,300,904.30

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Solution

The fourth proportional to 1,660,933.10, 2,489,844.45 and 1,300,904.30 is: 1,950,138.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,933.10 : 2,489,844.45 = 1,300,904.30 : x
  2. Step 2: Convert to fraction form
    1,660,933.10/2,489,844.45 = 1,300,904.30/x
  3. Step 3: Cross multiply
    1,660,933.10x = 2,489,844.45 × 1,300,904.30
  4. Step 4: Simplify right side
    1,660,933.10x = 3,239,049,351,336.14
  5. Step 5: Solve for x
    x = 3,239,049,351,336.14/1,660,933.10
  6. Step 6: Final answer
    x = 1,950,138.36

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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.