Home / 3,979,714.72-5,492,200.96-2,237,932.20

Finding the Fourth Proportional to 3,979,714.72, 5,492,200.96 and 2,237,932.20

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Solution

The fourth proportional to 3,979,714.72, 5,492,200.96 and 2,237,932.20 is: 3,088,455.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,979,714.72 : 5,492,200.96 = 2,237,932.20 : x
  2. Step 2: Convert to fraction form
    3,979,714.72/5,492,200.96 = 2,237,932.20/x
  3. Step 3: Cross multiply
    3,979,714.72x = 5,492,200.96 × 2,237,932.20
  4. Step 4: Simplify right side
    3,979,714.72x = 12,291,173,377,254.91
  5. Step 5: Solve for x
    x = 12,291,173,377,254.91/3,979,714.72
  6. Step 6: Final answer
    x = 3,088,455.89

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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.