Home / 2,998,562.68-4,138,301.10-1,640,639.80

Finding the Fourth Proportional to 2,998,562.68, 4,138,301.10 and 1,640,639.80

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Solution

The fourth proportional to 2,998,562.68, 4,138,301.10 and 1,640,639.80 is: 2,264,238.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,562.68 : 4,138,301.10 = 1,640,639.80 : x
  2. Step 2: Convert to fraction form
    2,998,562.68/4,138,301.10 = 1,640,639.80/x
  3. Step 3: Cross multiply
    2,998,562.68x = 4,138,301.10 × 1,640,639.80
  4. Step 4: Simplify right side
    2,998,562.68x = 6,789,461,489,043.78
  5. Step 5: Solve for x
    x = 6,789,461,489,043.78/2,998,562.68
  6. Step 6: Final answer
    x = 2,264,238.64

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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.