Home / 3,999,070.36-5,518,707.96-2,188,234.36

Finding the Fourth Proportional to 3,999,070.36, 5,518,707.96 and 2,188,234.36

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Solution

The fourth proportional to 3,999,070.36, 5,518,707.96 and 2,188,234.36 is: 3,019,758.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,070.36 : 5,518,707.96 = 2,188,234.36 : x
  2. Step 2: Convert to fraction form
    3,999,070.36/5,518,707.96 = 2,188,234.36/x
  3. Step 3: Cross multiply
    3,999,070.36x = 5,518,707.96 × 2,188,234.36
  4. Step 4: Simplify right side
    3,999,070.36x = 12,076,226,380,877.50
  5. Step 5: Solve for x
    x = 12,076,226,380,877.50/3,999,070.36
  6. Step 6: Final answer
    x = 3,019,758.42

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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.