Home / 5,197,583.81-7,171,868.83-2,992,020.30

Finding the Fourth Proportional to 5,197,583.81, 7,171,868.83 and 2,992,020.30

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Solution

The fourth proportional to 5,197,583.81, 7,171,868.83 and 2,992,020.30 is: 4,128,529.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,197,583.81 : 7,171,868.83 = 2,992,020.30 : x
  2. Step 2: Convert to fraction form
    5,197,583.81/7,171,868.83 = 2,992,020.30/x
  3. Step 3: Cross multiply
    5,197,583.81x = 7,171,868.83 × 2,992,020.30
  4. Step 4: Simplify right side
    5,197,583.81x = 21,458,377,128,297.25
  5. Step 5: Solve for x
    x = 21,458,377,128,297.25/5,197,583.81
  6. Step 6: Final answer
    x = 4,128,529.32

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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.