Home / 2,166,296.61-2,989,582.66-1,199,426.85

Finding the Fourth Proportional to 2,166,296.61, 2,989,582.66 and 1,199,426.85

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Solution

The fourth proportional to 2,166,296.61, 2,989,582.66 and 1,199,426.85 is: 1,655,260.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,166,296.61 : 2,989,582.66 = 1,199,426.85 : x
  2. Step 2: Convert to fraction form
    2,166,296.61/2,989,582.66 = 1,199,426.85/x
  3. Step 3: Cross multiply
    2,166,296.61x = 2,989,582.66 × 1,199,426.85
  4. Step 4: Simplify right side
    2,166,296.61x = 3,585,785,714,197.70
  5. Step 5: Solve for x
    x = 3,585,785,714,197.70/2,166,296.61
  6. Step 6: Final answer
    x = 1,655,260.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.