Home / 4,813,972.80-7,219,209.60-1,619,203.20

Finding the Fourth Proportional to 4,813,972.80, 7,219,209.60 and 1,619,203.20

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Solution

The fourth proportional to 4,813,972.80, 7,219,209.60 and 1,619,203.20 is: 2,428,216.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813,972.80 : 7,219,209.60 = 1,619,203.20 : x
  2. Step 2: Convert to fraction form
    4,813,972.80/7,219,209.60 = 1,619,203.20/x
  3. Step 3: Cross multiply
    4,813,972.80x = 7,219,209.60 × 1,619,203.20
  4. Step 4: Simplify right side
    4,813,972.80x = 11,689,367,285,790.72
  5. Step 5: Solve for x
    x = 11,689,367,285,790.72/4,813,972.80
  6. Step 6: Final answer
    x = 2,428,216.31

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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.