Home / 2,178,563.60-3,267,845.40-1,377,246.80

Finding the Fourth Proportional to 2,178,563.60, 3,267,845.40 and 1,377,246.80

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Solution

The fourth proportional to 2,178,563.60, 3,267,845.40 and 1,377,246.80 is: 2,065,870.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,563.60 : 3,267,845.40 = 1,377,246.80 : x
  2. Step 2: Convert to fraction form
    2,178,563.60/3,267,845.40 = 1,377,246.80/x
  3. Step 3: Cross multiply
    2,178,563.60x = 3,267,845.40 × 1,377,246.80
  4. Step 4: Simplify right side
    2,178,563.60x = 4,500,629,620,044.72
  5. Step 5: Solve for x
    x = 4,500,629,620,044.72/2,178,563.60
  6. Step 6: Final answer
    x = 2,065,870.20

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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.