Home / 3,986,480.40-5,979,720.60-1,461,807.60

Finding the Fourth Proportional to 3,986,480.40, 5,979,720.60 and 1,461,807.60

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Solution

The fourth proportional to 3,986,480.40, 5,979,720.60 and 1,461,807.60 is: 2,192,711.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,480.40 : 5,979,720.60 = 1,461,807.60 : x
  2. Step 2: Convert to fraction form
    3,986,480.40/5,979,720.60 = 1,461,807.60/x
  3. Step 3: Cross multiply
    3,986,480.40x = 5,979,720.60 × 1,461,807.60
  4. Step 4: Simplify right side
    3,986,480.40x = 8,741,201,018,956.56
  5. Step 5: Solve for x
    x = 8,741,201,018,956.56/3,986,480.40
  6. Step 6: Final answer
    x = 2,192,711.40

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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.