Home / 3,146,391.18-4,342,149.45-1,769,799.15

Finding the Fourth Proportional to 3,146,391.18, 4,342,149.45 and 1,769,799.15

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Solution

The fourth proportional to 3,146,391.18, 4,342,149.45 and 1,769,799.15 is: 2,442,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,391.18 : 4,342,149.45 = 1,769,799.15 : x
  2. Step 2: Convert to fraction form
    3,146,391.18/4,342,149.45 = 1,769,799.15/x
  3. Step 3: Cross multiply
    3,146,391.18x = 4,342,149.45 × 1,769,799.15
  4. Step 4: Simplify right side
    3,146,391.18x = 7,684,732,405,782.97
  5. Step 5: Solve for x
    x = 7,684,732,405,782.97/3,146,391.18
  6. Step 6: Final answer
    x = 2,442,395.74

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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.