Home / 1,891,843.01-2,606,307.40-1,317,844.61

Finding the Fourth Proportional to 1,891,843.01, 2,606,307.40 and 1,317,844.61

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Solution

The fourth proportional to 1,891,843.01, 2,606,307.40 and 1,317,844.61 is: 1,815,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,843.01 : 2,606,307.40 = 1,317,844.61 : x
  2. Step 2: Convert to fraction form
    1,891,843.01/2,606,307.40 = 1,317,844.61/x
  3. Step 3: Cross multiply
    1,891,843.01x = 2,606,307.40 × 1,317,844.61
  4. Step 4: Simplify right side
    1,891,843.01x = 3,434,708,159,093.11
  5. Step 5: Solve for x
    x = 3,434,708,159,093.11/1,891,843.01
  6. Step 6: Final answer
    x = 1,815,535.51

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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.