Home / 3,544,918.20-5,310,378.90-2,120,743.80

Finding the Fourth Proportional to 3,544,918.20, 5,310,378.90 and 2,120,743.80

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Solution

The fourth proportional to 3,544,918.20, 5,310,378.90 and 2,120,743.80 is: 3,176,928.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,544,918.20 : 5,310,378.90 = 2,120,743.80 : x
  2. Step 2: Convert to fraction form
    3,544,918.20/5,310,378.90 = 2,120,743.80/x
  3. Step 3: Cross multiply
    3,544,918.20x = 5,310,378.90 × 2,120,743.80
  4. Step 4: Simplify right side
    3,544,918.20x = 11,261,953,127,825.82
  5. Step 5: Solve for x
    x = 11,261,953,127,825.82/3,544,918.20
  6. Step 6: Final answer
    x = 3,176,928.91

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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.