Home / 3,120,236.16-4,682,081.28-1,522,812.48

Finding the Fourth Proportional to 3,120,236.16, 4,682,081.28 and 1,522,812.48

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Solution

The fourth proportional to 3,120,236.16, 4,682,081.28 and 1,522,812.48 is: 2,285,061.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,236.16 : 4,682,081.28 = 1,522,812.48 : x
  2. Step 2: Convert to fraction form
    3,120,236.16/4,682,081.28 = 1,522,812.48/x
  3. Step 3: Cross multiply
    3,120,236.16x = 4,682,081.28 × 1,522,812.48
  4. Step 4: Simplify right side
    3,120,236.16x = 7,129,931,805,558.38
  5. Step 5: Solve for x
    x = 7,129,931,805,558.38/3,120,236.16
  6. Step 6: Final answer
    x = 2,285,061.59

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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.