Home / 3,151,244.20-4,728,032.70-1,021,397.80

Finding the Fourth Proportional to 3,151,244.20, 4,728,032.70 and 1,021,397.80

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Solution

The fourth proportional to 3,151,244.20, 4,728,032.70 and 1,021,397.80 is: 1,532,474.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,244.20 : 4,728,032.70 = 1,021,397.80 : x
  2. Step 2: Convert to fraction form
    3,151,244.20/4,728,032.70 = 1,021,397.80/x
  3. Step 3: Cross multiply
    3,151,244.20x = 4,728,032.70 × 1,021,397.80
  4. Step 4: Simplify right side
    3,151,244.20x = 4,829,202,198,108.06
  5. Step 5: Solve for x
    x = 4,829,202,198,108.06/3,151,244.20
  6. Step 6: Final answer
    x = 1,532,474.76

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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.