Home / 3,313,208.40-4,969,812.60-2,987,782.80

Finding the Fourth Proportional to 3,313,208.40, 4,969,812.60 and 2,987,782.80

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Solution

The fourth proportional to 3,313,208.40, 4,969,812.60 and 2,987,782.80 is: 4,481,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,313,208.40 : 4,969,812.60 = 2,987,782.80 : x
  2. Step 2: Convert to fraction form
    3,313,208.40/4,969,812.60 = 2,987,782.80/x
  3. Step 3: Cross multiply
    3,313,208.40x = 4,969,812.60 × 2,987,782.80
  4. Step 4: Simplify right side
    3,313,208.40x = 14,848,720,605,503.28
  5. Step 5: Solve for x
    x = 14,848,720,605,503.28/3,313,208.40
  6. Step 6: Final answer
    x = 4,481,674.20

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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.