Home / 2,081,787.20-3,118,015.20-1,708,539.20

Finding the Fourth Proportional to 2,081,787.20, 3,118,015.20 and 1,708,539.20

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Solution

The fourth proportional to 2,081,787.20, 3,118,015.20 and 1,708,539.20 is: 2,558,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,081,787.20 : 3,118,015.20 = 1,708,539.20 : x
  2. Step 2: Convert to fraction form
    2,081,787.20/3,118,015.20 = 1,708,539.20/x
  3. Step 3: Cross multiply
    2,081,787.20x = 3,118,015.20 × 1,708,539.20
  4. Step 4: Simplify right side
    2,081,787.20x = 5,327,251,195,395.84
  5. Step 5: Solve for x
    x = 5,327,251,195,395.84/2,081,787.20
  6. Step 6: Final answer
    x = 2,558,979.71

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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.