Home / 2,815,609.36-4,223,331.40-685,662.52

Finding the Fourth Proportional to 2,815,609.36, 4,223,331.40 and 685,662.52

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Solution

The fourth proportional to 2,815,609.36, 4,223,331.40 and 685,662.52 is: 1,028,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,609.36 : 4,223,331.40 = 685,662.52 : x
  2. Step 2: Convert to fraction form
    2,815,609.36/4,223,331.40 = 685,662.52/x
  3. Step 3: Cross multiply
    2,815,609.36x = 4,223,331.40 × 685,662.52
  4. Step 4: Simplify right side
    2,815,609.36x = 2,895,780,050,519.13
  5. Step 5: Solve for x
    x = 2,895,780,050,519.13/2,815,609.36
  6. Step 6: Final answer
    x = 1,028,473.66

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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.