Home / 5,188,483.80-7,782,725.70-2,796,999.30

Finding the Fourth Proportional to 5,188,483.80, 7,782,725.70 and 2,796,999.30

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Solution

The fourth proportional to 5,188,483.80, 7,782,725.70 and 2,796,999.30 is: 4,195,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188,483.80 : 7,782,725.70 = 2,796,999.30 : x
  2. Step 2: Convert to fraction form
    5,188,483.80/7,782,725.70 = 2,796,999.30/x
  3. Step 3: Cross multiply
    5,188,483.80x = 7,782,725.70 × 2,796,999.30
  4. Step 4: Simplify right side
    5,188,483.80x = 21,768,278,334,992.01
  5. Step 5: Solve for x
    x = 21,768,278,334,992.01/5,188,483.80
  6. Step 6: Final answer
    x = 4,195,498.95

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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.