Home / 3,146,348.88-4,339,494.75-2,153,505.15

Finding the Fourth Proportional to 3,146,348.88, 4,339,494.75 and 2,153,505.15

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Solution

The fourth proportional to 3,146,348.88, 4,339,494.75 and 2,153,505.15 is: 2,970,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,348.88 : 4,339,494.75 = 2,153,505.15 : x
  2. Step 2: Convert to fraction form
    3,146,348.88/4,339,494.75 = 2,153,505.15/x
  3. Step 3: Cross multiply
    3,146,348.88x = 4,339,494.75 × 2,153,505.15
  4. Step 4: Simplify right side
    3,146,348.88x = 9,345,124,292,522.96
  5. Step 5: Solve for x
    x = 9,345,124,292,522.96/3,146,348.88
  6. Step 6: Final answer
    x = 2,970,148.78

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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.