Home / 5,518,018.22-8,274,614.38-2,783,883.47

Finding the Fourth Proportional to 5,518,018.22, 8,274,614.38 and 2,783,883.47

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Solution

The fourth proportional to 5,518,018.22, 8,274,614.38 and 2,783,883.47 is: 4,174,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518,018.22 : 8,274,614.38 = 2,783,883.47 : x
  2. Step 2: Convert to fraction form
    5,518,018.22/8,274,614.38 = 2,783,883.47/x
  3. Step 3: Cross multiply
    5,518,018.22x = 8,274,614.38 × 2,783,883.47
  4. Step 4: Simplify right side
    5,518,018.22x = 23,035,562,160,432.86
  5. Step 5: Solve for x
    x = 23,035,562,160,432.86/5,518,018.22
  6. Step 6: Final answer
    x = 4,174,607.85

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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.