Home / 5,090,935.38-7,025,230.74-2,798,653.20

Finding the Fourth Proportional to 5,090,935.38, 7,025,230.74 and 2,798,653.20

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Solution

The fourth proportional to 5,090,935.38, 7,025,230.74 and 2,798,653.20 is: 3,861,998.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090,935.38 : 7,025,230.74 = 2,798,653.20 : x
  2. Step 2: Convert to fraction form
    5,090,935.38/7,025,230.74 = 2,798,653.20/x
  3. Step 3: Cross multiply
    5,090,935.38x = 7,025,230.74 × 2,798,653.20
  4. Step 4: Simplify right side
    5,090,935.38x = 19,661,184,491,239.37
  5. Step 5: Solve for x
    x = 19,661,184,491,239.37/5,090,935.38
  6. Step 6: Final answer
    x = 3,861,998.44

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1.5x scale

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.