Home / 1,977,039.97-2,964,978.64-839,793.13

Finding the Fourth Proportional to 1,977,039.97, 2,964,978.64 and 839,793.13

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Solution

The fourth proportional to 1,977,039.97, 2,964,978.64 and 839,793.13 is: 1,259,442.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,977,039.97 : 2,964,978.64 = 839,793.13 : x
  2. Step 2: Convert to fraction form
    1,977,039.97/2,964,978.64 = 839,793.13/x
  3. Step 3: Cross multiply
    1,977,039.97x = 2,964,978.64 × 839,793.13
  4. Step 4: Simplify right side
    1,977,039.97x = 2,489,968,692,468.74
  5. Step 5: Solve for x
    x = 2,489,968,692,468.74/1,977,039.97
  6. Step 6: Final answer
    x = 1,259,442.77

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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.