Home / 2,200,214.64-3,036,606.34-1,220,371.62

Finding the Fourth Proportional to 2,200,214.64, 3,036,606.34 and 1,220,371.62

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Solution

The fourth proportional to 2,200,214.64, 3,036,606.34 and 1,220,371.62 is: 1,684,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,214.64 : 3,036,606.34 = 1,220,371.62 : x
  2. Step 2: Convert to fraction form
    2,200,214.64/3,036,606.34 = 1,220,371.62/x
  3. Step 3: Cross multiply
    2,200,214.64x = 3,036,606.34 × 1,220,371.62
  4. Step 4: Simplify right side
    2,200,214.64x = 3,705,788,198,448.07
  5. Step 5: Solve for x
    x = 3,705,788,198,448.07/2,200,214.64
  6. Step 6: Final answer
    x = 1,684,284.86

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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.