Home / 2,808,043.20-4,212,064.80-1,862,481.60

Finding the Fourth Proportional to 2,808,043.20, 4,212,064.80 and 1,862,481.60

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Solution

The fourth proportional to 2,808,043.20, 4,212,064.80 and 1,862,481.60 is: 2,793,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,043.20 : 4,212,064.80 = 1,862,481.60 : x
  2. Step 2: Convert to fraction form
    2,808,043.20/4,212,064.80 = 1,862,481.60/x
  3. Step 3: Cross multiply
    2,808,043.20x = 4,212,064.80 × 1,862,481.60
  4. Step 4: Simplify right side
    2,808,043.20x = 7,844,893,188,007.68
  5. Step 5: Solve for x
    x = 7,844,893,188,007.68/2,808,043.20
  6. Step 6: Final answer
    x = 2,793,722.40

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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.