Home / 3,070,729.20-4,236,235.80-1,780,821.84

Finding the Fourth Proportional to 3,070,729.20, 4,236,235.80 and 1,780,821.84

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Solution

The fourth proportional to 3,070,729.20, 4,236,235.80 and 1,780,821.84 is: 2,456,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070,729.20 : 4,236,235.80 = 1,780,821.84 : x
  2. Step 2: Convert to fraction form
    3,070,729.20/4,236,235.80 = 1,780,821.84/x
  3. Step 3: Cross multiply
    3,070,729.20x = 4,236,235.80 × 1,780,821.84
  4. Step 4: Simplify right side
    3,070,729.20x = 7,543,981,232,029.87
  5. Step 5: Solve for x
    x = 7,543,981,232,029.87/3,070,729.20
  6. Step 6: Final answer
    x = 2,456,739.34

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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.