Home / 1,919,447.45-2,647,620.92-1,459,553.81

Finding the Fourth Proportional to 1,919,447.45, 2,647,620.92 and 1,459,553.81

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Solution

The fourth proportional to 1,919,447.45, 2,647,620.92 and 1,459,553.81 is: 2,013,259.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,447.45 : 2,647,620.92 = 1,459,553.81 : x
  2. Step 2: Convert to fraction form
    1,919,447.45/2,647,620.92 = 1,459,553.81/x
  3. Step 3: Cross multiply
    1,919,447.45x = 2,647,620.92 × 1,459,553.81
  4. Step 4: Simplify right side
    1,919,447.45x = 3,864,345,191,632.49
  5. Step 5: Solve for x
    x = 3,864,345,191,632.49/1,919,447.45
  6. Step 6: Final answer
    x = 2,013,259.17

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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.