Home / 2,189,721.60-3,284,582.40-2,065,718.70

Finding the Fourth Proportional to 2,189,721.60, 3,284,582.40 and 2,065,718.70

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Solution

The fourth proportional to 2,189,721.60, 3,284,582.40 and 2,065,718.70 is: 3,098,578.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,189,721.60 : 3,284,582.40 = 2,065,718.70 : x
  2. Step 2: Convert to fraction form
    2,189,721.60/3,284,582.40 = 2,065,718.70/x
  3. Step 3: Cross multiply
    2,189,721.60x = 3,284,582.40 × 2,065,718.70
  4. Step 4: Simplify right side
    2,189,721.60x = 6,785,023,285,370.88
  5. Step 5: Solve for x
    x = 6,785,023,285,370.88/2,189,721.60
  6. Step 6: Final answer
    x = 3,098,578.05

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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.