Home / 2,078,486.60-3,118,766.70-1,180,617.80

Finding the Fourth Proportional to 2,078,486.60, 3,118,766.70 and 1,180,617.80

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Solution

The fourth proportional to 2,078,486.60, 3,118,766.70 and 1,180,617.80 is: 1,771,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,078,486.60 : 3,118,766.70 = 1,180,617.80 : x
  2. Step 2: Convert to fraction form
    2,078,486.60/3,118,766.70 = 1,180,617.80/x
  3. Step 3: Cross multiply
    2,078,486.60x = 3,118,766.70 × 1,180,617.80
  4. Step 4: Simplify right side
    2,078,486.60x = 3,682,071,480,067.26
  5. Step 5: Solve for x
    x = 3,682,071,480,067.26/2,078,486.60
  6. Step 6: Final answer
    x = 1,771,515.62

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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.