Home / 3,914,015.66-5,401,637.45-2,172,014.81

Finding the Fourth Proportional to 3,914,015.66, 5,401,637.45 and 2,172,014.81

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Solution

The fourth proportional to 3,914,015.66, 5,401,637.45 and 2,172,014.81 is: 2,997,544.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,015.66 : 5,401,637.45 = 2,172,014.81 : x
  2. Step 2: Convert to fraction form
    3,914,015.66/5,401,637.45 = 2,172,014.81/x
  3. Step 3: Cross multiply
    3,914,015.66x = 5,401,637.45 × 2,172,014.81
  4. Step 4: Simplify right side
    3,914,015.66x = 11,732,436,539,650.63
  5. Step 5: Solve for x
    x = 11,732,436,539,650.63/3,914,015.66
  6. Step 6: Final answer
    x = 2,997,544.61

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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.