Home / 2,986,711.60-4,480,650.60-1,189,289.20

Finding the Fourth Proportional to 2,986,711.60, 4,480,650.60 and 1,189,289.20

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Solution

The fourth proportional to 2,986,711.60, 4,480,650.60 and 1,189,289.20 is: 1,784,166.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,711.60 : 4,480,650.60 = 1,189,289.20 : x
  2. Step 2: Convert to fraction form
    2,986,711.60/4,480,650.60 = 1,189,289.20/x
  3. Step 3: Cross multiply
    2,986,711.60x = 4,480,650.60 × 1,189,289.20
  4. Step 4: Simplify right side
    2,986,711.60x = 5,328,789,367,553.52
  5. Step 5: Solve for x
    x = 5,328,789,367,553.52/2,986,711.60
  6. Step 6: Final answer
    x = 1,784,166.03

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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.