Home / 3,132,500.80-4,698,751.20-1,872,788.80

Finding the Fourth Proportional to 3,132,500.80, 4,698,751.20 and 1,872,788.80

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Solution

The fourth proportional to 3,132,500.80, 4,698,751.20 and 1,872,788.80 is: 2,809,183.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132,500.80 : 4,698,751.20 = 1,872,788.80 : x
  2. Step 2: Convert to fraction form
    3,132,500.80/4,698,751.20 = 1,872,788.80/x
  3. Step 3: Cross multiply
    3,132,500.80x = 4,698,751.20 × 1,872,788.80
  4. Step 4: Simplify right side
    3,132,500.80x = 8,799,768,621,346.56
  5. Step 5: Solve for x
    x = 8,799,768,621,346.56/3,132,500.80
  6. Step 6: Final answer
    x = 2,809,183.20

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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.