Home / 2,180,678.76-3,271,149.36-684,770.76

Finding the Fourth Proportional to 2,180,678.76, 3,271,149.36 and 684,770.76

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Solution

The fourth proportional to 2,180,678.76, 3,271,149.36 and 684,770.76 is: 1,027,197.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,678.76 : 3,271,149.36 = 684,770.76 : x
  2. Step 2: Convert to fraction form
    2,180,678.76/3,271,149.36 = 684,770.76/x
  3. Step 3: Cross multiply
    2,180,678.76x = 3,271,149.36 × 684,770.76
  4. Step 4: Simplify right side
    2,180,678.76x = 2,239,987,433,320.71
  5. Step 5: Solve for x
    x = 2,239,987,433,320.71/2,180,678.76
  6. Step 6: Final answer
    x = 1,027,197.35

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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.