Home / 3,390,539.81-5,085,849.35-994,432.54

Finding the Fourth Proportional to 3,390,539.81, 5,085,849.35 and 994,432.54

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Solution

The fourth proportional to 3,390,539.81, 5,085,849.35 and 994,432.54 is: 1,491,660.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,539.81 : 5,085,849.35 = 994,432.54 : x
  2. Step 2: Convert to fraction form
    3,390,539.81/5,085,849.35 = 994,432.54/x
  3. Step 3: Cross multiply
    3,390,539.81x = 5,085,849.35 × 994,432.54
  4. Step 4: Simplify right side
    3,390,539.81x = 5,057,534,056,776.44
  5. Step 5: Solve for x
    x = 5,057,534,056,776.44/3,390,539.81
  6. Step 6: Final answer
    x = 1,491,660.43

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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.