Home / 3,784,004.80-5,676,007.20-1,986,193.60

Finding the Fourth Proportional to 3,784,004.80, 5,676,007.20 and 1,986,193.60

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Solution

The fourth proportional to 3,784,004.80, 5,676,007.20 and 1,986,193.60 is: 2,979,290.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,784,004.80 : 5,676,007.20 = 1,986,193.60 : x
  2. Step 2: Convert to fraction form
    3,784,004.80/5,676,007.20 = 1,986,193.60/x
  3. Step 3: Cross multiply
    3,784,004.80x = 5,676,007.20 × 1,986,193.60
  4. Step 4: Simplify right side
    3,784,004.80x = 11,273,649,174,193.92
  5. Step 5: Solve for x
    x = 11,273,649,174,193.92/3,784,004.80
  6. Step 6: Final answer
    x = 2,979,290.40

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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.