Home / 3,878,084.28-5,339,887.02-3,866,886.84

Finding the Fourth Proportional to 3,878,084.28, 5,339,887.02 and 3,866,886.84

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Solution

The fourth proportional to 3,878,084.28, 5,339,887.02 and 3,866,886.84 is: 5,324,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,084.28 : 5,339,887.02 = 3,866,886.84 : x
  2. Step 2: Convert to fraction form
    3,878,084.28/5,339,887.02 = 3,866,886.84/x
  3. Step 3: Cross multiply
    3,878,084.28x = 5,339,887.02 × 3,866,886.84
  4. Step 4: Simplify right side
    3,878,084.28x = 20,648,738,844,724.81
  5. Step 5: Solve for x
    x = 20,648,738,844,724.81/3,878,084.28
  6. Step 6: Final answer
    x = 5,324,468.82

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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.