Home / 1,752,939.36-2,401,515.59-1,687,388.78

Finding the Fourth Proportional to 1,752,939.36, 2,401,515.59 and 1,687,388.78

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Solution

The fourth proportional to 1,752,939.36, 2,401,515.59 and 1,687,388.78 is: 2,311,711.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,939.36 : 2,401,515.59 = 1,687,388.78 : x
  2. Step 2: Convert to fraction form
    1,752,939.36/2,401,515.59 = 1,687,388.78/x
  3. Step 3: Cross multiply
    1,752,939.36x = 2,401,515.59 × 1,687,388.78
  4. Step 4: Simplify right side
    1,752,939.36x = 4,052,290,459,127.93
  5. Step 5: Solve for x
    x = 4,052,290,459,127.93/1,752,939.36
  6. Step 6: Final answer
    x = 2,311,711.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.