Home / 1,993,171.40-2,990,150.55-731,009.96

Finding the Fourth Proportional to 1,993,171.40, 2,990,150.55 and 731,009.96

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Solution

The fourth proportional to 1,993,171.40, 2,990,150.55 and 731,009.96 is: 1,096,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,171.40 : 2,990,150.55 = 731,009.96 : x
  2. Step 2: Convert to fraction form
    1,993,171.40/2,990,150.55 = 731,009.96/x
  3. Step 3: Cross multiply
    1,993,171.40x = 2,990,150.55 × 731,009.96
  4. Step 4: Simplify right side
    1,993,171.40x = 2,185,829,818,998.73
  5. Step 5: Solve for x
    x = 2,185,829,818,998.73/1,993,171.40
  6. Step 6: Final answer
    x = 1,096,659.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.