Home / 4,801,743.20-7,200,152.40-1,435,512.80

Finding the Fourth Proportional to 4,801,743.20, 7,200,152.40 and 1,435,512.80

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Solution

The fourth proportional to 4,801,743.20, 7,200,152.40 and 1,435,512.80 is: 2,152,533.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,801,743.20 : 7,200,152.40 = 1,435,512.80 : x
  2. Step 2: Convert to fraction form
    4,801,743.20/7,200,152.40 = 1,435,512.80/x
  3. Step 3: Cross multiply
    4,801,743.20x = 7,200,152.40 × 1,435,512.80
  4. Step 4: Simplify right side
    4,801,743.20x = 10,335,910,932,150.72
  5. Step 5: Solve for x
    x = 10,335,910,932,150.72/4,801,743.20
  6. Step 6: Final answer
    x = 2,152,533.05

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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.