Home / 2,020,540.20-2,788,706.70-1,204,796.40

Finding the Fourth Proportional to 2,020,540.20, 2,788,706.70 and 1,204,796.40

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Solution

The fourth proportional to 2,020,540.20, 2,788,706.70 and 1,204,796.40 is: 1,662,834.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020,540.20 : 2,788,706.70 = 1,204,796.40 : x
  2. Step 2: Convert to fraction form
    2,020,540.20/2,788,706.70 = 1,204,796.40/x
  3. Step 3: Cross multiply
    2,020,540.20x = 2,788,706.70 × 1,204,796.40
  4. Step 4: Simplify right side
    2,020,540.20x = 3,359,823,792,815.88
  5. Step 5: Solve for x
    x = 3,359,823,792,815.88/2,020,540.20
  6. Step 6: Final answer
    x = 1,662,834.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.