Home / 3,914,018.90-5,401,641.94-2,172,018.06

Finding the Fourth Proportional to 3,914,018.90, 5,401,641.94 and 2,172,018.06

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Solution

The fourth proportional to 3,914,018.90, 5,401,641.94 and 2,172,018.06 is: 2,997,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,018.90 : 5,401,641.94 = 2,172,018.06 : x
  2. Step 2: Convert to fraction form
    3,914,018.90/5,401,641.94 = 2,172,018.06/x
  3. Step 3: Cross multiply
    3,914,018.90x = 5,401,641.94 × 2,172,018.06
  4. Step 4: Simplify right side
    3,914,018.90x = 11,732,463,847,333.44
  5. Step 5: Solve for x
    x = 11,732,463,847,333.44/3,914,018.90
  6. Step 6: Final answer
    x = 2,997,549.10

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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.