Home / 4,007,279.09-5,530,064.31-2,171,740.92

Finding the Fourth Proportional to 4,007,279.09, 5,530,064.31 and 2,171,740.92

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Solution

The fourth proportional to 4,007,279.09, 5,530,064.31 and 2,171,740.92 is: 2,997,012.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,007,279.09 : 5,530,064.31 = 2,171,740.92 : x
  2. Step 2: Convert to fraction form
    4,007,279.09/5,530,064.31 = 2,171,740.92/x
  3. Step 3: Cross multiply
    4,007,279.09x = 5,530,064.31 × 2,171,740.92
  4. Step 4: Simplify right side
    4,007,279.09x = 12,009,866,952,258.56
  5. Step 5: Solve for x
    x = 12,009,866,952,258.56/4,007,279.09
  6. Step 6: Final answer
    x = 2,997,012.86

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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.