Home / 3,999,069.36-5,518,706.58-2,188,233.36

Finding the Fourth Proportional to 3,999,069.36, 5,518,706.58 and 2,188,233.36

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Solution

The fourth proportional to 3,999,069.36, 5,518,706.58 and 2,188,233.36 is: 3,019,757.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,999,069.36 : 5,518,706.58 = 2,188,233.36 : x
  2. Step 2: Convert to fraction form
    3,999,069.36/5,518,706.58 = 2,188,233.36/x
  3. Step 3: Cross multiply
    3,999,069.36x = 5,518,706.58 × 2,188,233.36
  4. Step 4: Simplify right side
    3,999,069.36x = 12,076,217,842,407.51
  5. Step 5: Solve for x
    x = 12,076,217,842,407.51/3,999,069.36
  6. Step 6: Final answer
    x = 3,019,757.04

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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.