Home / 2,125,778.78-2,932,648.74-1,350,994.34

Finding the Fourth Proportional to 2,125,778.78, 2,932,648.74 and 1,350,994.34

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Solution

The fourth proportional to 2,125,778.78, 2,932,648.74 and 1,350,994.34 is: 1,863,783.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125,778.78 : 2,932,648.74 = 1,350,994.34 : x
  2. Step 2: Convert to fraction form
    2,125,778.78/2,932,648.74 = 1,350,994.34/x
  3. Step 3: Cross multiply
    2,125,778.78x = 2,932,648.74 × 1,350,994.34
  4. Step 4: Simplify right side
    2,125,778.78x = 3,961,991,856,279.75
  5. Step 5: Solve for x
    x = 3,961,991,856,279.75/2,125,778.78
  6. Step 6: Final answer
    x = 1,863,783.71

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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.