Home / 2,200,179.21-3,036,254.40-1,220,188.56

Finding the Fourth Proportional to 2,200,179.21, 3,036,254.40 and 1,220,188.56

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Solution

The fourth proportional to 2,200,179.21, 3,036,254.40 and 1,220,188.56 is: 1,683,864.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,200,179.21 : 3,036,254.40 = 1,220,188.56 : x
  2. Step 2: Convert to fraction form
    2,200,179.21/3,036,254.40 = 1,220,188.56/x
  3. Step 3: Cross multiply
    2,200,179.21x = 3,036,254.40 × 1,220,188.56
  4. Step 4: Simplify right side
    2,200,179.21x = 3,704,802,884,129.66
  5. Step 5: Solve for x
    x = 3,704,802,884,129.66/2,200,179.21
  6. Step 6: Final answer
    x = 1,683,864.14

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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.