Home / 5,279,287.64-7,285,416.94-2,864,839.64

Finding the Fourth Proportional to 5,279,287.64, 7,285,416.94 and 2,864,839.64

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Solution

The fourth proportional to 5,279,287.64, 7,285,416.94 and 2,864,839.64 is: 3,953,478.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,287.64 : 7,285,416.94 = 2,864,839.64 : x
  2. Step 2: Convert to fraction form
    5,279,287.64/7,285,416.94 = 2,864,839.64/x
  3. Step 3: Cross multiply
    5,279,287.64x = 7,285,416.94 × 2,864,839.64
  4. Step 4: Simplify right side
    5,279,287.64x = 20,871,551,259,831.30
  5. Step 5: Solve for x
    x = 20,871,551,259,831.30/5,279,287.64
  6. Step 6: Final answer
    x = 3,953,478.70

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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.