Home / 3,138,942.16-4,331,440.52-1,761,970.32

Finding the Fourth Proportional to 3,138,942.16, 4,331,440.52 and 1,761,970.32

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Solution

The fourth proportional to 3,138,942.16, 4,331,440.52 and 1,761,970.32 is: 2,431,350.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138,942.16 : 4,331,440.52 = 1,761,970.32 : x
  2. Step 2: Convert to fraction form
    3,138,942.16/4,331,440.52 = 1,761,970.32/x
  3. Step 3: Cross multiply
    3,138,942.16x = 4,331,440.52 × 1,761,970.32
  4. Step 4: Simplify right side
    3,138,942.16x = 7,631,869,639,085.37
  5. Step 5: Solve for x
    x = 7,631,869,639,085.37/3,138,942.16
  6. Step 6: Final answer
    x = 2,431,350.83

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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.