Home / 2,857,015.52-4,285,400.40-862,412

Finding the Fourth Proportional to 2,857,015.52, 4,285,400.40 and 862,412

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Solution

The fourth proportional to 2,857,015.52, 4,285,400.40 and 862,412 is: 1,293,580.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857,015.52 : 4,285,400.40 = 862,412 : x
  2. Step 2: Convert to fraction form
    2,857,015.52/4,285,400.40 = 862,412/x
  3. Step 3: Cross multiply
    2,857,015.52x = 4,285,400.40 × 862,412
  4. Step 4: Simplify right side
    2,857,015.52x = 3,695,780,729,764.80
  5. Step 5: Solve for x
    x = 3,695,780,729,764.80/2,857,015.52
  6. Step 6: Final answer
    x = 1,293,580.91

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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.