Home / 2,972,733.40-4,458,840.90-978,189.40

Finding the Fourth Proportional to 2,972,733.40, 4,458,840.90 and 978,189.40

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Solution

The fourth proportional to 2,972,733.40, 4,458,840.90 and 978,189.40 is: 1,467,198.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972,733.40 : 4,458,840.90 = 978,189.40 : x
  2. Step 2: Convert to fraction form
    2,972,733.40/4,458,840.90 = 978,189.40/x
  3. Step 3: Cross multiply
    2,972,733.40x = 4,458,840.90 × 978,189.40
  4. Step 4: Simplify right side
    2,972,733.40x = 4,361,590,904,666.46
  5. Step 5: Solve for x
    x = 4,361,590,904,666.46/2,972,733.40
  6. Step 6: Final answer
    x = 1,467,198.81

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