Home / 2,912,320.44-4,368,185.42-782,127.77

Finding the Fourth Proportional to 2,912,320.44, 4,368,185.42 and 782,127.77

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Solution

The fourth proportional to 2,912,320.44, 4,368,185.42 and 782,127.77 is: 1,173,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,320.44 : 4,368,185.42 = 782,127.77 : x
  2. Step 2: Convert to fraction form
    2,912,320.44/4,368,185.42 = 782,127.77/x
  3. Step 3: Cross multiply
    2,912,320.44x = 4,368,185.42 × 782,127.77
  4. Step 4: Simplify right side
    2,912,320.44x = 3,416,479,095,739.55
  5. Step 5: Solve for x
    x = 3,416,479,095,739.55/2,912,320.44
  6. Step 6: Final answer
    x = 1,173,112.36

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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.