Home / 2,787,355.80-4,181,033.70-2,078,767.80

Finding the Fourth Proportional to 2,787,355.80, 4,181,033.70 and 2,078,767.80

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Solution

The fourth proportional to 2,787,355.80, 4,181,033.70 and 2,078,767.80 is: 3,118,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,355.80 : 4,181,033.70 = 2,078,767.80 : x
  2. Step 2: Convert to fraction form
    2,787,355.80/4,181,033.70 = 2,078,767.80/x
  3. Step 3: Cross multiply
    2,787,355.80x = 4,181,033.70 × 2,078,767.80
  4. Step 4: Simplify right side
    2,787,355.80x = 8,691,398,226,274.86
  5. Step 5: Solve for x
    x = 8,691,398,226,274.86/2,787,355.80
  6. Step 6: Final answer
    x = 3,118,151.70

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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.