Home / 2,190,134.82-3,022,447.00-1,210,137

Finding the Fourth Proportional to 2,190,134.82, 3,022,447.00 and 1,210,137

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Solution

The fourth proportional to 2,190,134.82, 3,022,447.00 and 1,210,137 is: 1,670,022.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,190,134.82 : 3,022,447.00 = 1,210,137 : x
  2. Step 2: Convert to fraction form
    2,190,134.82/3,022,447.00 = 1,210,137/x
  3. Step 3: Cross multiply
    2,190,134.82x = 3,022,447.00 × 1,210,137
  4. Step 4: Simplify right side
    2,190,134.82x = 3,657,574,942,213.66
  5. Step 5: Solve for x
    x = 3,657,574,942,213.66/2,190,134.82
  6. Step 6: Final answer
    x = 1,670,022.74

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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.