Home / 1,851,449.63-2,553,883.25-1,222,797.15

Finding the Fourth Proportional to 1,851,449.63, 2,553,883.25 and 1,222,797.15

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Solution

The fourth proportional to 1,851,449.63, 2,553,883.25 and 1,222,797.15 is: 1,686,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851,449.63 : 2,553,883.25 = 1,222,797.15 : x
  2. Step 2: Convert to fraction form
    1,851,449.63/2,553,883.25 = 1,222,797.15/x
  3. Step 3: Cross multiply
    1,851,449.63x = 2,553,883.25 × 1,222,797.15
  4. Step 4: Simplify right side
    1,851,449.63x = 3,122,881,162,589.73
  5. Step 5: Solve for x
    x = 3,122,881,162,589.73/1,851,449.63
  6. Step 6: Final answer
    x = 1,686,722.19

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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.