Home / 2,141,204.02-3,210,789.04-1,242,921.11

Finding the Fourth Proportional to 2,141,204.02, 3,210,789.04 and 1,242,921.11

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Solution

The fourth proportional to 2,141,204.02, 3,210,789.04 and 1,242,921.11 is: 1,863,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,204.02 : 3,210,789.04 = 1,242,921.11 : x
  2. Step 2: Convert to fraction form
    2,141,204.02/3,210,789.04 = 1,242,921.11/x
  3. Step 3: Cross multiply
    2,141,204.02x = 3,210,789.04 × 1,242,921.11
  4. Step 4: Simplify right side
    2,141,204.02x = 3,990,757,458,411.39
  5. Step 5: Solve for x
    x = 3,990,757,458,411.39/2,141,204.02
  6. Step 6: Final answer
    x = 1,863,791.32

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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.