Home / 3,999,210.24-5,518,913.82-2,188,374.24

Finding the Fourth Proportional to 3,999,210.24, 5,518,913.82 and 2,188,374.24

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Solution

The fourth proportional to 3,999,210.24, 5,518,913.82 and 2,188,374.24 is: 3,019,958.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,210.24 : 5,518,913.82 = 2,188,374.24 : x
  2. Step 2: Convert to fraction form
    3,999,210.24/5,518,913.82 = 2,188,374.24/x
  3. Step 3: Cross multiply
    3,999,210.24x = 5,518,913.82 × 2,188,374.24
  4. Step 4: Simplify right side
    3,999,210.24x = 12,077,448,836,468.00
  5. Step 5: Solve for x
    x = 12,077,448,836,468.00/3,999,210.24
  6. Step 6: Final answer
    x = 3,019,958.47

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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.