Home / 2,138,213.58-2,950,808.22-1,171,343.63

Finding the Fourth Proportional to 2,138,213.58, 2,950,808.22 and 1,171,343.63

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Solution

The fourth proportional to 2,138,213.58, 2,950,808.22 and 1,171,343.63 is: 1,616,494.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,213.58 : 2,950,808.22 = 1,171,343.63 : x
  2. Step 2: Convert to fraction form
    2,138,213.58/2,950,808.22 = 1,171,343.63/x
  3. Step 3: Cross multiply
    2,138,213.58x = 2,950,808.22 × 1,171,343.63
  4. Step 4: Simplify right side
    2,138,213.58x = 3,456,410,397,094.60
  5. Step 5: Solve for x
    x = 3,456,410,397,094.60/2,138,213.58
  6. Step 6: Final answer
    x = 1,616,494.46

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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.