Home / 3,151,237.20-4,728,022.20-1,021,390.80

Finding the Fourth Proportional to 3,151,237.20, 4,728,022.20 and 1,021,390.80

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Solution

The fourth proportional to 3,151,237.20, 4,728,022.20 and 1,021,390.80 is: 1,532,464.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,237.20 : 4,728,022.20 = 1,021,390.80 : x
  2. Step 2: Convert to fraction form
    3,151,237.20/4,728,022.20 = 1,021,390.80/x
  3. Step 3: Cross multiply
    3,151,237.20x = 4,728,022.20 × 1,021,390.80
  4. Step 4: Simplify right side
    3,151,237.20x = 4,829,158,377,275.76
  5. Step 5: Solve for x
    x = 4,829,158,377,275.76/3,151,237.20
  6. Step 6: Final answer
    x = 1,532,464.26

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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.