Home / 6,539,736.09-9,811,704.47-1,991,664.66

Finding the Fourth Proportional to 6,539,736.09, 9,811,704.47 and 1,991,664.66

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Solution

The fourth proportional to 6,539,736.09, 9,811,704.47 and 1,991,664.66 is: 2,988,136.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,539,736.09 : 9,811,704.47 = 1,991,664.66 : x
  2. Step 2: Convert to fraction form
    6,539,736.09/9,811,704.47 = 1,991,664.66/x
  3. Step 3: Cross multiply
    6,539,736.09x = 9,811,704.47 × 1,991,664.66
  4. Step 4: Simplify right side
    6,539,736.09x = 19,541,625,037,304.71
  5. Step 5: Solve for x
    x = 19,541,625,037,304.71/6,539,736.09
  6. Step 6: Final answer
    x = 2,988,136.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.