Home / 1,907,747.60-2,861,650.20-487,772.24

Finding the Fourth Proportional to 1,907,747.60, 2,861,650.20 and 487,772.24

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Solution

The fourth proportional to 1,907,747.60, 2,861,650.20 and 487,772.24 is: 731,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,747.60 : 2,861,650.20 = 487,772.24 : x
  2. Step 2: Convert to fraction form
    1,907,747.60/2,861,650.20 = 487,772.24/x
  3. Step 3: Cross multiply
    1,907,747.60x = 2,861,650.20 × 487,772.24
  4. Step 4: Simplify right side
    1,907,747.60x = 1,395,833,528,150.45
  5. Step 5: Solve for x
    x = 1,395,833,528,150.45/1,907,747.60
  6. Step 6: Final answer
    x = 731,665.72

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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.