Home / 3,078,007.20-4,617,010.80-3,015,021.60

Finding the Fourth Proportional to 3,078,007.20, 4,617,010.80 and 3,015,021.60

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Solution

The fourth proportional to 3,078,007.20, 4,617,010.80 and 3,015,021.60 is: 4,522,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,007.20 : 4,617,010.80 = 3,015,021.60 : x
  2. Step 2: Convert to fraction form
    3,078,007.20/4,617,010.80 = 3,015,021.60/x
  3. Step 3: Cross multiply
    3,078,007.20x = 4,617,010.80 × 3,015,021.60
  4. Step 4: Simplify right side
    3,078,007.20x = 13,920,387,289,433.28
  5. Step 5: Solve for x
    x = 13,920,387,289,433.28/3,078,007.20
  6. Step 6: Final answer
    x = 4,522,532.40

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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.