Home / 3,914,014.66-5,401,636.07-2,172,013.81

Finding the Fourth Proportional to 3,914,014.66, 5,401,636.07 and 2,172,013.81

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Solution

The fourth proportional to 3,914,014.66, 5,401,636.07 and 2,172,013.81 is: 2,997,543.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914,014.66 : 5,401,636.07 = 2,172,013.81 : x
  2. Step 2: Convert to fraction form
    3,914,014.66/5,401,636.07 = 2,172,013.81/x
  3. Step 3: Cross multiply
    3,914,014.66x = 5,401,636.07 × 2,172,013.81
  4. Step 4: Simplify right side
    3,914,014.66x = 11,732,428,116,269.97
  5. Step 5: Solve for x
    x = 11,732,428,116,269.97/3,914,014.66
  6. Step 6: Final answer
    x = 2,997,543.22

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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.