Home / 4,991,200.72-6,887,861.53-2,699,361.41

Finding the Fourth Proportional to 4,991,200.72, 6,887,861.53 and 2,699,361.41

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Solution

The fourth proportional to 4,991,200.72, 6,887,861.53 and 2,699,361.41 is: 3,725,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991,200.72 : 6,887,861.53 = 2,699,361.41 : x
  2. Step 2: Convert to fraction form
    4,991,200.72/6,887,861.53 = 2,699,361.41/x
  3. Step 3: Cross multiply
    4,991,200.72x = 6,887,861.53 × 2,699,361.41
  4. Step 4: Simplify right side
    4,991,200.72x = 18,592,827,570,317.84
  5. Step 5: Solve for x
    x = 18,592,827,570,317.84/4,991,200.72
  6. Step 6: Final answer
    x = 3,725,121.19

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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.