Home / 3,128,346.50-4,694,294.84-1,689,010.71

Finding the Fourth Proportional to 3,128,346.50, 4,694,294.84 and 1,689,010.71

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Solution

The fourth proportional to 3,128,346.50, 4,694,294.84 and 1,689,010.71 is: 2,534,474.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,346.50 : 4,694,294.84 = 1,689,010.71 : x
  2. Step 2: Convert to fraction form
    3,128,346.50/4,694,294.84 = 1,689,010.71/x
  3. Step 3: Cross multiply
    3,128,346.50x = 4,694,294.84 × 1,689,010.71
  4. Step 4: Simplify right side
    3,128,346.50x = 7,928,714,252,212.68
  5. Step 5: Solve for x
    x = 7,928,714,252,212.68/3,128,346.50
  6. Step 6: Final answer
    x = 2,534,474.45

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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.