Home / 3,986,938.08-5,509,171.53-2,839,025.52

Finding the Fourth Proportional to 3,986,938.08, 5,509,171.53 and 2,839,025.52

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Solution

The fourth proportional to 3,986,938.08, 5,509,171.53 and 2,839,025.52 is: 3,922,980.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,938.08 : 5,509,171.53 = 2,839,025.52 : x
  2. Step 2: Convert to fraction form
    3,986,938.08/5,509,171.53 = 2,839,025.52/x
  3. Step 3: Cross multiply
    3,986,938.08x = 5,509,171.53 × 2,839,025.52
  4. Step 4: Simplify right side
    3,986,938.08x = 15,640,678,567,727.45
  5. Step 5: Solve for x
    x = 15,640,678,567,727.45/3,986,938.08
  6. Step 6: Final answer
    x = 3,922,980.05

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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.