Home / 1,971,919.31-2,959,103.68-1,262,456.51

Finding the Fourth Proportional to 1,971,919.31, 2,959,103.68 and 1,262,456.51

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Solution

The fourth proportional to 1,971,919.31, 2,959,103.68 and 1,262,456.51 is: 1,894,468.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,919.31 : 2,959,103.68 = 1,262,456.51 : x
  2. Step 2: Convert to fraction form
    1,971,919.31/2,959,103.68 = 1,262,456.51/x
  3. Step 3: Cross multiply
    1,971,919.31x = 2,959,103.68 × 1,262,456.51
  4. Step 4: Simplify right side
    1,971,919.31x = 3,735,739,686,629.30
  5. Step 5: Solve for x
    x = 3,735,739,686,629.30/1,971,919.31
  6. Step 6: Final answer
    x = 1,894,468.84

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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.