Home / 4,857,987.20-7,286,980.80-4,650,659.60

Finding the Fourth Proportional to 4,857,987.20, 7,286,980.80 and 4,650,659.60

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Solution

The fourth proportional to 4,857,987.20, 7,286,980.80 and 4,650,659.60 is: 6,975,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857,987.20 : 7,286,980.80 = 4,650,659.60 : x
  2. Step 2: Convert to fraction form
    4,857,987.20/7,286,980.80 = 4,650,659.60/x
  3. Step 3: Cross multiply
    4,857,987.20x = 7,286,980.80 × 4,650,659.60
  4. Step 4: Simplify right side
    4,857,987.20x = 33,889,267,212,535.68
  5. Step 5: Solve for x
    x = 33,889,267,212,535.68/4,857,987.20
  6. Step 6: Final answer
    x = 6,975,989.40

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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.