Home / 5,180,410.40-7,770,615.60-2,028,538.40

Finding the Fourth Proportional to 5,180,410.40, 7,770,615.60 and 2,028,538.40

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Solution

The fourth proportional to 5,180,410.40, 7,770,615.60 and 2,028,538.40 is: 3,042,807.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180,410.40 : 7,770,615.60 = 2,028,538.40 : x
  2. Step 2: Convert to fraction form
    5,180,410.40/7,770,615.60 = 2,028,538.40/x
  3. Step 3: Cross multiply
    5,180,410.40x = 7,770,615.60 × 2,028,538.40
  4. Step 4: Simplify right side
    5,180,410.40x = 15,762,992,136,239.04
  5. Step 5: Solve for x
    x = 15,762,992,136,239.04/5,180,410.40
  6. Step 6: Final answer
    x = 3,042,807.60

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Double scale
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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.