Home / 5,343,933.60-8,020,911.60-2,821,399.20

Finding the Fourth Proportional to 5,343,933.60, 8,020,911.60 and 2,821,399.20

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Solution

The fourth proportional to 5,343,933.60, 8,020,911.60 and 2,821,399.20 is: 4,234,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,343,933.60 : 8,020,911.60 = 2,821,399.20 : x
  2. Step 2: Convert to fraction form
    5,343,933.60/8,020,911.60 = 2,821,399.20/x
  3. Step 3: Cross multiply
    5,343,933.60x = 8,020,911.60 × 2,821,399.20
  4. Step 4: Simplify right side
    5,343,933.60x = 22,630,193,571,510.72
  5. Step 5: Solve for x
    x = 22,630,193,571,510.72/5,343,933.60
  6. Step 6: Final answer
    x = 4,234,744.53

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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.