Home / 3,314,286.72-4,972,071.60-1,292,448.96

Finding the Fourth Proportional to 3,314,286.72, 4,972,071.60 and 1,292,448.96

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Solution

The fourth proportional to 3,314,286.72, 4,972,071.60 and 1,292,448.96 is: 1,938,923.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314,286.72 : 4,972,071.60 = 1,292,448.96 : x
  2. Step 2: Convert to fraction form
    3,314,286.72/4,972,071.60 = 1,292,448.96/x
  3. Step 3: Cross multiply
    3,314,286.72x = 4,972,071.60 × 1,292,448.96
  4. Step 4: Simplify right side
    3,314,286.72x = 6,426,148,768,465.54
  5. Step 5: Solve for x
    x = 6,426,148,768,465.54/3,314,286.72
  6. Step 6: Final answer
    x = 1,938,923.61

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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.