Home / 2,889,243.72-3,985,236.48-1,858,055.22

Finding the Fourth Proportional to 2,889,243.72, 3,985,236.48 and 1,858,055.22

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Solution

The fourth proportional to 2,889,243.72, 3,985,236.48 and 1,858,055.22 is: 2,562,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,243.72 : 3,985,236.48 = 1,858,055.22 : x
  2. Step 2: Convert to fraction form
    2,889,243.72/3,985,236.48 = 1,858,055.22/x
  3. Step 3: Cross multiply
    2,889,243.72x = 3,985,236.48 × 1,858,055.22
  4. Step 4: Simplify right side
    2,889,243.72x = 7,404,789,444,598.43
  5. Step 5: Solve for x
    x = 7,404,789,444,598.43/2,889,243.72
  6. Step 6: Final answer
    x = 2,562,881.56

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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.