Home / 2,180,152.20-3,271,394.70-918,107.40

Finding the Fourth Proportional to 2,180,152.20, 3,271,394.70 and 918,107.40

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Solution

The fourth proportional to 2,180,152.20, 3,271,394.70 and 918,107.40 is: 1,377,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,152.20 : 3,271,394.70 = 918,107.40 : x
  2. Step 2: Convert to fraction form
    2,180,152.20/3,271,394.70 = 918,107.40/x
  3. Step 3: Cross multiply
    2,180,152.20x = 3,271,394.70 × 918,107.40
  4. Step 4: Simplify right side
    2,180,152.20x = 3,003,491,682,390.78
  5. Step 5: Solve for x
    x = 3,003,491,682,390.78/2,180,152.20
  6. Step 6: Final answer
    x = 1,377,652.30

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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.