Home / 3,986,028.02-5,497,884.72-2,660,784.39

Finding the Fourth Proportional to 3,986,028.02, 5,497,884.72 and 2,660,784.39

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Solution

The fourth proportional to 3,986,028.02, 5,497,884.72 and 2,660,784.39 is: 3,669,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,028.02 : 5,497,884.72 = 2,660,784.39 : x
  2. Step 2: Convert to fraction form
    3,986,028.02/5,497,884.72 = 2,660,784.39/x
  3. Step 3: Cross multiply
    3,986,028.02x = 5,497,884.72 × 2,660,784.39
  4. Step 4: Simplify right side
    3,986,028.02x = 14,628,685,840,995.52
  5. Step 5: Solve for x
    x = 14,628,685,840,995.52/3,986,028.02
  6. Step 6: Final answer
    x = 3,669,990.72

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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.