Home / 4,969,765.60-7,454,648.40-2,130,164.80

Finding the Fourth Proportional to 4,969,765.60, 7,454,648.40 and 2,130,164.80

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Solution

The fourth proportional to 4,969,765.60, 7,454,648.40 and 2,130,164.80 is: 3,195,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,969,765.60 : 7,454,648.40 = 2,130,164.80 : x
  2. Step 2: Convert to fraction form
    4,969,765.60/7,454,648.40 = 2,130,164.80/x
  3. Step 3: Cross multiply
    4,969,765.60x = 7,454,648.40 × 2,130,164.80
  4. Step 4: Simplify right side
    4,969,765.60x = 15,879,629,618,056.32
  5. Step 5: Solve for x
    x = 15,879,629,618,056.32/4,969,765.60
  6. Step 6: Final answer
    x = 3,195,247.20

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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.