Home / 2,642,914.16-3,960,335.77-1,965,720.54

Finding the Fourth Proportional to 2,642,914.16, 3,960,335.77 and 1,965,720.54

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Solution

The fourth proportional to 2,642,914.16, 3,960,335.77 and 1,965,720.54 is: 2,945,579.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,914.16 : 3,960,335.77 = 1,965,720.54 : x
  2. Step 2: Convert to fraction form
    2,642,914.16/3,960,335.77 = 1,965,720.54/x
  3. Step 3: Cross multiply
    2,642,914.16x = 3,960,335.77 × 1,965,720.54
  4. Step 4: Simplify right side
    2,642,914.16x = 7,784,913,363,471.42
  5. Step 5: Solve for x
    x = 7,784,913,363,471.42/2,642,914.16
  6. Step 6: Final answer
    x = 2,945,579.35

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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.