Home / 6,631,143-9,946,714.52-2,143,419

Finding the Fourth Proportional to 6,631,143, 9,946,714.52 and 2,143,419

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Solution

The fourth proportional to 6,631,143, 9,946,714.52 and 2,143,419 is: 3,215,128.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631,143 : 9,946,714.52 = 2,143,419 : x
  2. Step 2: Convert to fraction form
    6,631,143/9,946,714.52 = 2,143,419/x
  3. Step 3: Cross multiply
    6,631,143x = 9,946,714.52 × 2,143,419
  4. Step 4: Simplify right side
    6,631,143x = 21,319,976,889,743.88
  5. Step 5: Solve for x
    x = 21,319,976,889,743.88/6,631,143
  6. Step 6: Final answer
    x = 3,215,128.51

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Double scale
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Similar ratio
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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.