Home / 3,310,679.60-4,966,019.40-1,966,986.80

Finding the Fourth Proportional to 3,310,679.60, 4,966,019.40 and 1,966,986.80

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Solution

The fourth proportional to 3,310,679.60, 4,966,019.40 and 1,966,986.80 is: 2,950,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,310,679.60 : 4,966,019.40 = 1,966,986.80 : x
  2. Step 2: Convert to fraction form
    3,310,679.60/4,966,019.40 = 1,966,986.80/x
  3. Step 3: Cross multiply
    3,310,679.60x = 4,966,019.40 × 1,966,986.80
  4. Step 4: Simplify right side
    3,310,679.60x = 9,768,094,608,343.92
  5. Step 5: Solve for x
    x = 9,768,094,608,343.92/3,310,679.60
  6. Step 6: Final answer
    x = 2,950,480.20

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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.