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Finding the Fourth Proportional to 6,399,714.99, 8,831,607.48 and 3,499,107.87

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Solution

The fourth proportional to 6,399,714.99, 8,831,607.48 and 3,499,107.87 is: 4,828,769.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,399,714.99 : 8,831,607.48 = 3,499,107.87 : x
  2. Step 2: Convert to fraction form
    6,399,714.99/8,831,607.48 = 3,499,107.87/x
  3. Step 3: Cross multiply
    6,399,714.99x = 8,831,607.48 × 3,499,107.87
  4. Step 4: Simplify right side
    6,399,714.99x = 30,902,747,238,018.87
  5. Step 5: Solve for x
    x = 30,902,747,238,018.87/6,399,714.99
  6. Step 6: Final answer
    x = 4,828,769.29

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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.