Home / 4,689,183.72-7,032,791.28-1,322,603.40

Finding the Fourth Proportional to 4,689,183.72, 7,032,791.28 and 1,322,603.40

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Solution

The fourth proportional to 4,689,183.72, 7,032,791.28 and 1,322,603.40 is: 1,983,627.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,689,183.72 : 7,032,791.28 = 1,322,603.40 : x
  2. Step 2: Convert to fraction form
    4,689,183.72/7,032,791.28 = 1,322,603.40/x
  3. Step 3: Cross multiply
    4,689,183.72x = 7,032,791.28 × 1,322,603.40
  4. Step 4: Simplify right side
    4,689,183.72x = 9,301,593,658,418.35
  5. Step 5: Solve for x
    x = 9,301,593,658,418.35/4,689,183.72
  6. Step 6: Final answer
    x = 1,983,627.47

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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.