Home / 2,752,111.80-4,128,167.70-2,080,265.40

Finding the Fourth Proportional to 2,752,111.80, 4,128,167.70 and 2,080,265.40

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Solution

The fourth proportional to 2,752,111.80, 4,128,167.70 and 2,080,265.40 is: 3,120,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,752,111.80 : 4,128,167.70 = 2,080,265.40 : x
  2. Step 2: Convert to fraction form
    2,752,111.80/4,128,167.70 = 2,080,265.40/x
  3. Step 3: Cross multiply
    2,752,111.80x = 4,128,167.70 × 2,080,265.40
  4. Step 4: Simplify right side
    2,752,111.80x = 8,587,684,431,707.58
  5. Step 5: Solve for x
    x = 8,587,684,431,707.58/2,752,111.80
  6. Step 6: Final answer
    x = 3,120,398.10

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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.