Home / 1,891,025.34-2,821,788.98-1,687,220.34

Finding the Fourth Proportional to 1,891,025.34, 2,821,788.98 and 1,687,220.34

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Solution

The fourth proportional to 1,891,025.34, 2,821,788.98 and 1,687,220.34 is: 2,517,671.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,025.34 : 2,821,788.98 = 1,687,220.34 : x
  2. Step 2: Convert to fraction form
    1,891,025.34/2,821,788.98 = 1,687,220.34/x
  3. Step 3: Cross multiply
    1,891,025.34x = 2,821,788.98 × 1,687,220.34
  4. Step 4: Simplify right side
    1,891,025.34x = 4,760,979,753,807.75
  5. Step 5: Solve for x
    x = 4,760,979,753,807.75/1,891,025.34
  6. Step 6: Final answer
    x = 2,517,671.05

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.