Home / 4,991,308.72-6,888,006.04-2,699,469.40

Finding the Fourth Proportional to 4,991,308.72, 6,888,006.04 and 2,699,469.40

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Solution

The fourth proportional to 4,991,308.72, 6,888,006.04 and 2,699,469.40 is: 3,725,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,308.72 : 6,888,006.04 = 2,699,469.40 : x
  2. Step 2: Convert to fraction form
    4,991,308.72/6,888,006.04 = 2,699,469.40/x
  3. Step 3: Cross multiply
    4,991,308.72x = 6,888,006.04 × 2,699,469.40
  4. Step 4: Simplify right side
    4,991,308.72x = 18,593,961,531,995.18
  5. Step 5: Solve for x
    x = 18,593,961,531,995.18/4,991,308.72
  6. Step 6: Final answer
    x = 3,725,267.78

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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.