Home / 2,872,556.73-3,964,305.65-1,583,394.21

Finding the Fourth Proportional to 2,872,556.73, 3,964,305.65 and 1,583,394.21

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Solution

The fourth proportional to 2,872,556.73, 3,964,305.65 and 1,583,394.21 is: 2,185,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,556.73 : 3,964,305.65 = 1,583,394.21 : x
  2. Step 2: Convert to fraction form
    2,872,556.73/3,964,305.65 = 1,583,394.21/x
  3. Step 3: Cross multiply
    2,872,556.73x = 3,964,305.65 × 1,583,394.21
  4. Step 4: Simplify right side
    2,872,556.73x = 6,277,058,604,963.32
  5. Step 5: Solve for x
    x = 6,277,058,604,963.32/2,872,556.73
  6. Step 6: Final answer
    x = 2,185,181.77

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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.