Home / 2,138,157.60-2,950,658.46-1,171,322.88

Finding the Fourth Proportional to 2,138,157.60, 2,950,658.46 and 1,171,322.88

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Solution

The fourth proportional to 2,138,157.60, 2,950,658.46 and 1,171,322.88 is: 1,616,426.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,157.60 : 2,950,658.46 = 1,171,322.88 : x
  2. Step 2: Convert to fraction form
    2,138,157.60/2,950,658.46 = 1,171,322.88/x
  3. Step 3: Cross multiply
    2,138,157.60x = 2,950,658.46 × 1,171,322.88
  4. Step 4: Simplify right side
    2,138,157.60x = 3,456,173,765,263.56
  5. Step 5: Solve for x
    x = 3,456,173,765,263.56/2,138,157.60
  6. Step 6: Final answer
    x = 1,616,426.11

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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.