Home / 1,879,877.70-2,821,002.39-800,389.62

Finding the Fourth Proportional to 1,879,877.70, 2,821,002.39 and 800,389.62

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Solution

The fourth proportional to 1,879,877.70, 2,821,002.39 and 800,389.62 is: 1,201,089.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,879,877.70 : 2,821,002.39 = 800,389.62 : x
  2. Step 2: Convert to fraction form
    1,879,877.70/2,821,002.39 = 800,389.62/x
  3. Step 3: Cross multiply
    1,879,877.70x = 2,821,002.39 × 800,389.62
  4. Step 4: Simplify right side
    1,879,877.70x = 2,257,901,030,951.19
  5. Step 5: Solve for x
    x = 2,257,901,030,951.19/1,879,877.70
  6. Step 6: Final answer
    x = 1,201,089.32

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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.