Home / 5,120,840.94-7,682,405.48-1,925,994.78

Finding the Fourth Proportional to 5,120,840.94, 7,682,405.48 and 1,925,994.78

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Solution

The fourth proportional to 5,120,840.94, 7,682,405.48 and 1,925,994.78 is: 2,889,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,840.94 : 7,682,405.48 = 1,925,994.78 : x
  2. Step 2: Convert to fraction form
    5,120,840.94/7,682,405.48 = 1,925,994.78/x
  3. Step 3: Cross multiply
    5,120,840.94x = 7,682,405.48 × 1,925,994.78
  4. Step 4: Simplify right side
    5,120,840.94x = 14,796,272,852,323.39
  5. Step 5: Solve for x
    x = 14,796,272,852,323.39/5,120,840.94
  6. Step 6: Final answer
    x = 2,889,422.47

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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.