Home / 2,171,385.96-2,996,529.22-1,191,318.44

Finding the Fourth Proportional to 2,171,385.96, 2,996,529.22 and 1,191,318.44

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Solution

The fourth proportional to 2,171,385.96, 2,996,529.22 and 1,191,318.44 is: 1,644,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,385.96 : 2,996,529.22 = 1,191,318.44 : x
  2. Step 2: Convert to fraction form
    2,171,385.96/2,996,529.22 = 1,191,318.44/x
  3. Step 3: Cross multiply
    2,171,385.96x = 2,996,529.22 × 1,191,318.44
  4. Step 4: Simplify right side
    2,171,385.96x = 3,569,820,515,784.82
  5. Step 5: Solve for x
    x = 3,569,820,515,784.82/2,171,385.96
  6. Step 6: Final answer
    x = 1,644,028.55

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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.