Home / 3,005,155.28-4,500,255.36-2,102,369.88

Finding the Fourth Proportional to 3,005,155.28, 4,500,255.36 and 2,102,369.88

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Solution

The fourth proportional to 3,005,155.28, 4,500,255.36 and 2,102,369.88 is: 3,148,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,005,155.28 : 4,500,255.36 = 2,102,369.88 : x
  2. Step 2: Convert to fraction form
    3,005,155.28/4,500,255.36 = 2,102,369.88/x
  3. Step 3: Cross multiply
    3,005,155.28x = 4,500,255.36 × 2,102,369.88
  4. Step 4: Simplify right side
    3,005,155.28x = 9,461,201,321,172.56
  5. Step 5: Solve for x
    x = 9,461,201,321,172.56/3,005,155.28
  6. Step 6: Final answer
    x = 3,148,323.61

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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.