Home / 2,986,579.60-4,480,452.60-1,189,157.20

Finding the Fourth Proportional to 2,986,579.60, 4,480,452.60 and 1,189,157.20

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Solution

The fourth proportional to 2,986,579.60, 4,480,452.60 and 1,189,157.20 is: 1,783,968.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,579.60 : 4,480,452.60 = 1,189,157.20 : x
  2. Step 2: Convert to fraction form
    2,986,579.60/4,480,452.60 = 1,189,157.20/x
  3. Step 3: Cross multiply
    2,986,579.60x = 4,480,452.60 × 1,189,157.20
  4. Step 4: Simplify right side
    2,986,579.60x = 5,327,962,468,548.72
  5. Step 5: Solve for x
    x = 5,327,962,468,548.72/2,986,579.60
  6. Step 6: Final answer
    x = 1,783,968.01

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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.