Home / 6,349,668.90-8,763,929.64-3,904,384.20

Finding the Fourth Proportional to 6,349,668.90, 8,763,929.64 and 3,904,384.20

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Solution

The fourth proportional to 6,349,668.90, 8,763,929.64 and 3,904,384.20 is: 5,388,902.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,349,668.90 : 8,763,929.64 = 3,904,384.20 : x
  2. Step 2: Convert to fraction form
    6,349,668.90/8,763,929.64 = 3,904,384.20/x
  3. Step 3: Cross multiply
    6,349,668.90x = 8,763,929.64 × 3,904,384.20
  4. Step 4: Simplify right side
    6,349,668.90x = 34,217,748,416,327.69
  5. Step 5: Solve for x
    x = 34,217,748,416,327.69/6,349,668.90
  6. Step 6: Final answer
    x = 5,388,902.78

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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.