Home / 3,964,479.12-5,947,110.72-1,268,127.36

Finding the Fourth Proportional to 3,964,479.12, 5,947,110.72 and 1,268,127.36

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Solution

The fourth proportional to 3,964,479.12, 5,947,110.72 and 1,268,127.36 is: 1,902,316.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,479.12 : 5,947,110.72 = 1,268,127.36 : x
  2. Step 2: Convert to fraction form
    3,964,479.12/5,947,110.72 = 1,268,127.36/x
  3. Step 3: Cross multiply
    3,964,479.12x = 5,947,110.72 × 1,268,127.36
  4. Step 4: Simplify right side
    3,964,479.12x = 7,541,693,816,981.30
  5. Step 5: Solve for x
    x = 7,541,693,816,981.30/3,964,479.12
  6. Step 6: Final answer
    x = 1,902,316.44

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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.