Home / 2,028,203.40-2,798,042.10-1,222,940.04

Finding the Fourth Proportional to 2,028,203.40, 2,798,042.10 and 1,222,940.04

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Solution

The fourth proportional to 2,028,203.40, 2,798,042.10 and 1,222,940.04 is: 1,687,127.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,028,203.40 : 2,798,042.10 = 1,222,940.04 : x
  2. Step 2: Convert to fraction form
    2,028,203.40/2,798,042.10 = 1,222,940.04/x
  3. Step 3: Cross multiply
    2,028,203.40x = 2,798,042.10 × 1,222,940.04
  4. Step 4: Simplify right side
    2,028,203.40x = 3,421,837,717,695.68
  5. Step 5: Solve for x
    x = 3,421,837,717,695.68/2,028,203.40
  6. Step 6: Final answer
    x = 1,687,127.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.