Home / 2,619,668.32-3,929,502.48-936,669.76

Finding the Fourth Proportional to 2,619,668.32, 3,929,502.48 and 936,669.76

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Solution

The fourth proportional to 2,619,668.32, 3,929,502.48 and 936,669.76 is: 1,405,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,619,668.32 : 3,929,502.48 = 936,669.76 : x
  2. Step 2: Convert to fraction form
    2,619,668.32/3,929,502.48 = 936,669.76/x
  3. Step 3: Cross multiply
    2,619,668.32x = 3,929,502.48 × 936,669.76
  4. Step 4: Simplify right side
    2,619,668.32x = 3,680,646,144,861.01
  5. Step 5: Solve for x
    x = 3,680,646,144,861.01/2,619,668.32
  6. Step 6: Final answer
    x = 1,405,004.64

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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.