Home / 3,360,280.80-5,040,421.20-2,835,400.80

Finding the Fourth Proportional to 3,360,280.80, 5,040,421.20 and 2,835,400.80

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Solution

The fourth proportional to 3,360,280.80, 5,040,421.20 and 2,835,400.80 is: 4,253,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360,280.80 : 5,040,421.20 = 2,835,400.80 : x
  2. Step 2: Convert to fraction form
    3,360,280.80/5,040,421.20 = 2,835,400.80/x
  3. Step 3: Cross multiply
    3,360,280.80x = 5,040,421.20 × 2,835,400.80
  4. Step 4: Simplify right side
    3,360,280.80x = 14,291,614,302,816.96
  5. Step 5: Solve for x
    x = 14,291,614,302,816.96/3,360,280.80
  6. Step 6: Final answer
    x = 4,253,101.20

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Similar ratio
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1.5x scale

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.