Home / 5,181,198.80-7,766,095.80-1,813,672.40

Finding the Fourth Proportional to 5,181,198.80, 7,766,095.80 and 1,813,672.40

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Solution

The fourth proportional to 5,181,198.80, 7,766,095.80 and 1,813,672.40 is: 2,718,512.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181,198.80 : 7,766,095.80 = 1,813,672.40 : x
  2. Step 2: Convert to fraction form
    5,181,198.80/7,766,095.80 = 1,813,672.40/x
  3. Step 3: Cross multiply
    5,181,198.80x = 7,766,095.80 × 1,813,672.40
  4. Step 4: Simplify right side
    5,181,198.80x = 14,085,153,608,215.92
  5. Step 5: Solve for x
    x = 14,085,153,608,215.92/5,181,198.80
  6. Step 6: Final answer
    x = 2,718,512.48

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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.