Home / 2,889,242.72-3,985,235.11-1,858,054.22

Finding the Fourth Proportional to 2,889,242.72, 3,985,235.11 and 1,858,054.22

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Solution

The fourth proportional to 2,889,242.72, 3,985,235.11 and 1,858,054.22 is: 2,562,880.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,889,242.72 : 3,985,235.11 = 1,858,054.22 : x
  2. Step 2: Convert to fraction form
    2,889,242.72/3,985,235.11 = 1,858,054.22/x
  3. Step 3: Cross multiply
    2,889,242.72x = 3,985,235.11 × 1,858,054.22
  4. Step 4: Simplify right side
    2,889,242.72x = 7,404,782,904,537.39
  5. Step 5: Solve for x
    x = 7,404,782,904,537.39/2,889,242.72
  6. Step 6: Final answer
    x = 2,562,880.19

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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.