Home / 3,166,803.60-4,750,205.40-770,629.20

Finding the Fourth Proportional to 3,166,803.60, 4,750,205.40 and 770,629.20

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Solution

The fourth proportional to 3,166,803.60, 4,750,205.40 and 770,629.20 is: 1,155,943.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166,803.60 : 4,750,205.40 = 770,629.20 : x
  2. Step 2: Convert to fraction form
    3,166,803.60/4,750,205.40 = 770,629.20/x
  3. Step 3: Cross multiply
    3,166,803.60x = 4,750,205.40 × 770,629.20
  4. Step 4: Simplify right side
    3,166,803.60x = 3,660,646,987,237.68
  5. Step 5: Solve for x
    x = 3,660,646,987,237.68/3,166,803.60
  6. Step 6: Final answer
    x = 1,155,943.80

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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.