Home / 3,147,323.51-4,342,921.14-1,985,333.51

Finding the Fourth Proportional to 3,147,323.51, 4,342,921.14 and 1,985,333.51

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Solution

The fourth proportional to 3,147,323.51, 4,342,921.14 and 1,985,333.51 is: 2,739,517.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,147,323.51 : 4,342,921.14 = 1,985,333.51 : x
  2. Step 2: Convert to fraction form
    3,147,323.51/4,342,921.14 = 1,985,333.51/x
  3. Step 3: Cross multiply
    3,147,323.51x = 4,342,921.14 × 1,985,333.51
  4. Step 4: Simplify right side
    3,147,323.51x = 8,622,146,853,778.13
  5. Step 5: Solve for x
    x = 8,622,146,853,778.13/3,147,323.51
  6. Step 6: Final answer
    x = 2,739,517.19

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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.