Home / 2,131,568.60-3,199,627.98-917,745.93

Finding the Fourth Proportional to 2,131,568.60, 3,199,627.98 and 917,745.93

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Solution

The fourth proportional to 2,131,568.60, 3,199,627.98 and 917,745.93 is: 1,377,598.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,131,568.60 : 3,199,627.98 = 917,745.93 : x
  2. Step 2: Convert to fraction form
    2,131,568.60/3,199,627.98 = 917,745.93/x
  3. Step 3: Cross multiply
    2,131,568.60x = 3,199,627.98 × 917,745.93
  4. Step 4: Simplify right side
    2,131,568.60x = 2,936,445,556,159.12
  5. Step 5: Solve for x
    x = 2,936,445,556,159.12/2,131,568.60
  6. Step 6: Final answer
    x = 1,377,598.43

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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.