Home / 2,308,704.88-3,186,007.68-1,290,109.64

Finding the Fourth Proportional to 2,308,704.88, 3,186,007.68 and 1,290,109.64

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Solution

The fourth proportional to 2,308,704.88, 3,186,007.68 and 1,290,109.64 is: 1,780,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,308,704.88 : 3,186,007.68 = 1,290,109.64 : x
  2. Step 2: Convert to fraction form
    2,308,704.88/3,186,007.68 = 1,290,109.64/x
  3. Step 3: Cross multiply
    2,308,704.88x = 3,186,007.68 × 1,290,109.64
  4. Step 4: Simplify right side
    2,308,704.88x = 4,110,299,221,082.04
  5. Step 5: Solve for x
    x = 4,110,299,221,082.04/2,308,704.88
  6. Step 6: Final answer
    x = 1,780,348.48

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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.