Home / 1,926,860.71-2,659,946.30-1,375,991.59

Finding the Fourth Proportional to 1,926,860.71, 2,659,946.30 and 1,375,991.59

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Solution

The fourth proportional to 1,926,860.71, 2,659,946.30 and 1,375,991.59 is: 1,899,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,860.71 : 2,659,946.30 = 1,375,991.59 : x
  2. Step 2: Convert to fraction form
    1,926,860.71/2,659,946.30 = 1,375,991.59/x
  3. Step 3: Cross multiply
    1,926,860.71x = 2,659,946.30 × 1,375,991.59
  4. Step 4: Simplify right side
    1,926,860.71x = 3,660,063,738,651.62
  5. Step 5: Solve for x
    x = 3,660,063,738,651.62/1,926,860.71
  6. Step 6: Final answer
    x = 1,899,495.75

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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.