Home / 2,738,557.76-3,778,291.86-1,576,979.07

Finding the Fourth Proportional to 2,738,557.76, 3,778,291.86 and 1,576,979.07

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Solution

The fourth proportional to 2,738,557.76, 3,778,291.86 and 1,576,979.07 is: 2,175,702.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,738,557.76 : 3,778,291.86 = 1,576,979.07 : x
  2. Step 2: Convert to fraction form
    2,738,557.76/3,778,291.86 = 1,576,979.07/x
  3. Step 3: Cross multiply
    2,738,557.76x = 3,778,291.86 × 1,576,979.07
  4. Step 4: Simplify right side
    2,738,557.76x = 5,958,287,183,571.37
  5. Step 5: Solve for x
    x = 5,958,287,183,571.37/2,738,557.76
  6. Step 6: Final answer
    x = 2,175,702.58

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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.