Home / 2,925,620.80-4,379,877.60-2,085,812.80

Finding the Fourth Proportional to 2,925,620.80, 4,379,877.60 and 2,085,812.80

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Solution

The fourth proportional to 2,925,620.80, 4,379,877.60 and 2,085,812.80 is: 3,122,620.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,925,620.80 : 4,379,877.60 = 2,085,812.80 : x
  2. Step 2: Convert to fraction form
    2,925,620.80/4,379,877.60 = 2,085,812.80/x
  3. Step 3: Cross multiply
    2,925,620.80x = 4,379,877.60 × 2,085,812.80
  4. Step 4: Simplify right side
    2,925,620.80x = 9,135,604,760,513.28
  5. Step 5: Solve for x
    x = 9,135,604,760,513.28/2,925,620.80
  6. Step 6: Final answer
    x = 3,122,620.94

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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.