Home / 3,292,913.20-4,939,369.80-2,162,817.40

Finding the Fourth Proportional to 3,292,913.20, 4,939,369.80 and 2,162,817.40

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Solution

The fourth proportional to 3,292,913.20, 4,939,369.80 and 2,162,817.40 is: 3,244,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,292,913.20 : 4,939,369.80 = 2,162,817.40 : x
  2. Step 2: Convert to fraction form
    3,292,913.20/4,939,369.80 = 2,162,817.40/x
  3. Step 3: Cross multiply
    3,292,913.20x = 4,939,369.80 × 2,162,817.40
  4. Step 4: Simplify right side
    3,292,913.20x = 10,682,954,948,474.52
  5. Step 5: Solve for x
    x = 10,682,954,948,474.52/3,292,913.20
  6. Step 6: Final answer
    x = 3,244,226.10

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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.