Home / 2,820,160.80-4,224,020.40-1,696,269.60

Finding the Fourth Proportional to 2,820,160.80, 4,224,020.40 and 1,696,269.60

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Solution

The fourth proportional to 2,820,160.80, 4,224,020.40 and 1,696,269.60 is: 2,540,662.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,160.80 : 4,224,020.40 = 1,696,269.60 : x
  2. Step 2: Convert to fraction form
    2,820,160.80/4,224,020.40 = 1,696,269.60/x
  3. Step 3: Cross multiply
    2,820,160.80x = 4,224,020.40 × 1,696,269.60
  4. Step 4: Simplify right side
    2,820,160.80x = 7,165,077,394,299.84
  5. Step 5: Solve for x
    x = 7,165,077,394,299.84/2,820,160.80
  6. Step 6: Final answer
    x = 2,540,662.71

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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.