Home / 2,180,660.76-3,009,311.64-1,213,770.24

Finding the Fourth Proportional to 2,180,660.76, 3,009,311.64 and 1,213,770.24

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Solution

The fourth proportional to 2,180,660.76, 3,009,311.64 and 1,213,770.24 is: 1,675,002.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180,660.76 : 3,009,311.64 = 1,213,770.24 : x
  2. Step 2: Convert to fraction form
    2,180,660.76/3,009,311.64 = 1,213,770.24/x
  3. Step 3: Cross multiply
    2,180,660.76x = 3,009,311.64 × 1,213,770.24
  4. Step 4: Simplify right side
    2,180,660.76x = 3,652,612,911,517.59
  5. Step 5: Solve for x
    x = 3,652,612,911,517.59/2,180,660.76
  6. Step 6: Final answer
    x = 1,675,002.81

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1.5x scale

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.