Home / 2,815,613.36-4,223,337.40-685,666.52

Finding the Fourth Proportional to 2,815,613.36, 4,223,337.40 and 685,666.52

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Solution

The fourth proportional to 2,815,613.36, 4,223,337.40 and 685,666.52 is: 1,028,479.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815,613.36 : 4,223,337.40 = 685,666.52 : x
  2. Step 2: Convert to fraction form
    2,815,613.36/4,223,337.40 = 685,666.52/x
  3. Step 3: Cross multiply
    2,815,613.36x = 4,223,337.40 × 685,666.52
  4. Step 4: Simplify right side
    2,815,613.36x = 2,895,801,057,843.85
  5. Step 5: Solve for x
    x = 2,895,801,057,843.85/2,815,613.36
  6. Step 6: Final answer
    x = 1,028,479.66

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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.