Home / 5,279,279.44-7,285,405.80-2,864,831.44

Finding the Fourth Proportional to 5,279,279.44, 7,285,405.80 and 2,864,831.44

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Solution

The fourth proportional to 5,279,279.44, 7,285,405.80 and 2,864,831.44 is: 3,953,467.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279,279.44 : 7,285,405.80 = 2,864,831.44 : x
  2. Step 2: Convert to fraction form
    5,279,279.44/7,285,405.80 = 2,864,831.44/x
  3. Step 3: Cross multiply
    5,279,279.44x = 7,285,405.80 × 2,864,831.44
  4. Step 4: Simplify right side
    5,279,279.44x = 20,871,459,588,998.35
  5. Step 5: Solve for x
    x = 20,871,459,588,998.35/5,279,279.44
  6. Step 6: Final answer
    x = 3,953,467.48

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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.