Home / 3,346,369.44-4,618,660.32-1,987,980

Finding the Fourth Proportional to 3,346,369.44, 4,618,660.32 and 1,987,980

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Solution

The fourth proportional to 3,346,369.44, 4,618,660.32 and 1,987,980 is: 2,743,810.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,369.44 : 4,618,660.32 = 1,987,980 : x
  2. Step 2: Convert to fraction form
    3,346,369.44/4,618,660.32 = 1,987,980/x
  3. Step 3: Cross multiply
    3,346,369.44x = 4,618,660.32 × 1,987,980
  4. Step 4: Simplify right side
    3,346,369.44x = 9,181,804,342,953.60
  5. Step 5: Solve for x
    x = 9,181,804,342,953.60/3,346,369.44
  6. Step 6: Final answer
    x = 2,743,810.72

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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.