Home / 3,108,668.32-4,663,011.12-864,808.48

Finding the Fourth Proportional to 3,108,668.32, 4,663,011.12 and 864,808.48

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Solution

The fourth proportional to 3,108,668.32, 4,663,011.12 and 864,808.48 is: 1,297,215.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108,668.32 : 4,663,011.12 = 864,808.48 : x
  2. Step 2: Convert to fraction form
    3,108,668.32/4,663,011.12 = 864,808.48/x
  3. Step 3: Cross multiply
    3,108,668.32x = 4,663,011.12 × 864,808.48
  4. Step 4: Simplify right side
    3,108,668.32x = 4,032,611,558,910.30
  5. Step 5: Solve for x
    x = 4,032,611,558,910.30/3,108,668.32
  6. Step 6: Final answer
    x = 1,297,215.12

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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.