Home / 3,833,638.30-5,751,521.45-2,128,978.70

Finding the Fourth Proportional to 3,833,638.30, 5,751,521.45 and 2,128,978.70

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Solution

The fourth proportional to 3,833,638.30, 5,751,521.45 and 2,128,978.70 is: 3,194,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,833,638.30 : 5,751,521.45 = 2,128,978.70 : x
  2. Step 2: Convert to fraction form
    3,833,638.30/5,751,521.45 = 2,128,978.70/x
  3. Step 3: Cross multiply
    3,833,638.30x = 5,751,521.45 × 2,128,978.70
  4. Step 4: Simplify right side
    3,833,638.30x = 12,244,866,654,138.11
  5. Step 5: Solve for x
    x = 12,244,866,654,138.11/3,833,638.30
  6. Step 6: Final answer
    x = 3,194,058.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.