Home / 5,090,729.56-7,025,206.79-2,798,890.25

Finding the Fourth Proportional to 5,090,729.56, 7,025,206.79 and 2,798,890.25

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Solution

The fourth proportional to 5,090,729.56, 7,025,206.79 and 2,798,890.25 is: 3,862,468.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,729.56 : 7,025,206.79 = 2,798,890.25 : x
  2. Step 2: Convert to fraction form
    5,090,729.56/7,025,206.79 = 2,798,890.25/x
  3. Step 3: Cross multiply
    5,090,729.56x = 7,025,206.79 × 2,798,890.25
  4. Step 4: Simplify right side
    5,090,729.56x = 19,662,782,760,635.99
  5. Step 5: Solve for x
    x = 19,662,782,760,635.99/5,090,729.56
  6. Step 6: Final answer
    x = 3,862,468.54

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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.