Home / 3,146,845.57-4,342,238.28-1,770,142.77

Finding the Fourth Proportional to 3,146,845.57, 4,342,238.28 and 1,770,142.77

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Solution

The fourth proportional to 3,146,845.57, 4,342,238.28 and 1,770,142.77 is: 2,442,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,146,845.57 : 4,342,238.28 = 1,770,142.77 : x
  2. Step 2: Convert to fraction form
    3,146,845.57/4,342,238.28 = 1,770,142.77/x
  3. Step 3: Cross multiply
    3,146,845.57x = 4,342,238.28 × 1,770,142.77
  4. Step 4: Simplify right side
    3,146,845.57x = 7,686,381,696,959.24
  5. Step 5: Solve for x
    x = 7,686,381,696,959.24/3,146,845.57
  6. Step 6: Final answer
    x = 2,442,567.18

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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.