Home / 5,428,251.10-8,139,424.20-2,233,700.20

Finding the Fourth Proportional to 5,428,251.10, 8,139,424.20 and 2,233,700.20

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Solution

The fourth proportional to 5,428,251.10, 8,139,424.20 and 2,233,700.20 is: 3,349,335.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,428,251.10 : 8,139,424.20 = 2,233,700.20 : x
  2. Step 2: Convert to fraction form
    5,428,251.10/8,139,424.20 = 2,233,700.20/x
  3. Step 3: Cross multiply
    5,428,251.10x = 8,139,424.20 × 2,233,700.20
  4. Step 4: Simplify right side
    5,428,251.10x = 18,181,033,463,424.84
  5. Step 5: Solve for x
    x = 18,181,033,463,424.84/5,428,251.10
  6. Step 6: Final answer
    x = 3,349,335.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.