Home / 3,390,572.50-4,678,991.94-1,862,778.04

Finding the Fourth Proportional to 3,390,572.50, 4,678,991.94 and 1,862,778.04

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Solution

The fourth proportional to 3,390,572.50, 4,678,991.94 and 1,862,778.04 is: 2,570,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,390,572.50 : 4,678,991.94 = 1,862,778.04 : x
  2. Step 2: Convert to fraction form
    3,390,572.50/4,678,991.94 = 1,862,778.04/x
  3. Step 3: Cross multiply
    3,390,572.50x = 4,678,991.94 × 1,862,778.04
  4. Step 4: Simplify right side
    3,390,572.50x = 8,715,923,435,169.00
  5. Step 5: Solve for x
    x = 8,715,923,435,169.00/3,390,572.50
  6. Step 6: Final answer
    x = 2,570,634.73

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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.