Home / 3,629,520.47-5,008,881.02-1,998,079.62

Finding the Fourth Proportional to 3,629,520.47, 5,008,881.02 and 1,998,079.62

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Solution

The fourth proportional to 3,629,520.47, 5,008,881.02 and 1,998,079.62 is: 2,757,428.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,520.47 : 5,008,881.02 = 1,998,079.62 : x
  2. Step 2: Convert to fraction form
    3,629,520.47/5,008,881.02 = 1,998,079.62/x
  3. Step 3: Cross multiply
    3,629,520.47x = 5,008,881.02 × 1,998,079.62
  4. Step 4: Simplify right side
    3,629,520.47x = 10,008,143,075,076.41
  5. Step 5: Solve for x
    x = 10,008,143,075,076.41/3,629,520.47
  6. Step 6: Final answer
    x = 2,757,428.47

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1.5x scale

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.