Home / 3,138,662.93-4,333,397.20-1,915,677.54

Finding the Fourth Proportional to 3,138,662.93, 4,333,397.20 and 1,915,677.54

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Solution

The fourth proportional to 3,138,662.93, 4,333,397.20 and 1,915,677.54 is: 2,644,881.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,662.93 : 4,333,397.20 = 1,915,677.54 : x
  2. Step 2: Convert to fraction form
    3,138,662.93/4,333,397.20 = 1,915,677.54/x
  3. Step 3: Cross multiply
    3,138,662.93x = 4,333,397.20 × 1,915,677.54
  4. Step 4: Simplify right side
    3,138,662.93x = 8,301,391,683,149.69
  5. Step 5: Solve for x
    x = 8,301,391,683,149.69/3,138,662.93
  6. Step 6: Final answer
    x = 2,644,881.56

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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.