Home / 1,926,384.90-2,660,198.13-1,442,109.30

Finding the Fourth Proportional to 1,926,384.90, 2,660,198.13 and 1,442,109.30

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Solution

The fourth proportional to 1,926,384.90, 2,660,198.13 and 1,442,109.30 is: 1,991,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,384.90 : 2,660,198.13 = 1,442,109.30 : x
  2. Step 2: Convert to fraction form
    1,926,384.90/2,660,198.13 = 1,442,109.30/x
  3. Step 3: Cross multiply
    1,926,384.90x = 2,660,198.13 × 1,442,109.30
  4. Step 4: Simplify right side
    1,926,384.90x = 3,836,296,463,115.61
  5. Step 5: Solve for x
    x = 3,836,296,463,115.61/1,926,384.90
  6. Step 6: Final answer
    x = 1,991,448.57

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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.