Home / 2,171,415.66-2,996,104.89-1,253,628.90

Finding the Fourth Proportional to 2,171,415.66, 2,996,104.89 and 1,253,628.90

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Solution

The fourth proportional to 2,171,415.66, 2,996,104.89 and 1,253,628.90 is: 1,729,748.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,415.66 : 2,996,104.89 = 1,253,628.90 : x
  2. Step 2: Convert to fraction form
    2,171,415.66/2,996,104.89 = 1,253,628.90/x
  3. Step 3: Cross multiply
    2,171,415.66x = 2,996,104.89 × 1,253,628.90
  4. Step 4: Simplify right side
    2,171,415.66x = 3,756,003,677,535.32
  5. Step 5: Solve for x
    x = 3,756,003,677,535.32/2,171,415.66
  6. Step 6: Final answer
    x = 1,729,748.82

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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.