Home / 1,642,406.41-2,448,427.91-1,616,523.27

Finding the Fourth Proportional to 1,642,406.41, 2,448,427.91 and 1,616,523.27

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Solution

The fourth proportional to 1,642,406.41, 2,448,427.91 and 1,616,523.27 is: 2,409,842.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,406.41 : 2,448,427.91 = 1,616,523.27 : x
  2. Step 2: Convert to fraction form
    1,642,406.41/2,448,427.91 = 1,616,523.27/x
  3. Step 3: Cross multiply
    1,642,406.41x = 2,448,427.91 × 1,616,523.27
  4. Step 4: Simplify right side
    1,642,406.41x = 3,957,940,691,432.47
  5. Step 5: Solve for x
    x = 3,957,940,691,432.47/1,642,406.41
  6. Step 6: Final answer
    x = 2,409,842.45

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.