Home / 3,128,350.21-4,694,300.46-1,689,014.45

Finding the Fourth Proportional to 3,128,350.21, 4,694,300.46 and 1,689,014.45

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Solution

The fourth proportional to 3,128,350.21, 4,694,300.46 and 1,689,014.45 is: 2,534,480.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,128,350.21 : 4,694,300.46 = 1,689,014.45 : x
  2. Step 2: Convert to fraction form
    3,128,350.21/4,694,300.46 = 1,689,014.45/x
  3. Step 3: Cross multiply
    3,128,350.21x = 4,694,300.46 × 1,689,014.45
  4. Step 4: Simplify right side
    3,128,350.21x = 7,928,741,309,581.65
  5. Step 5: Solve for x
    x = 7,928,741,309,581.65/3,128,350.21
  6. Step 6: Final answer
    x = 2,534,480.09

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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.