Home / 1,479,511.67-2,043,136.19-1,398,908.54

Finding the Fourth Proportional to 1,479,511.67, 2,043,136.19 and 1,398,908.54

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Solution

The fourth proportional to 1,479,511.67, 2,043,136.19 and 1,398,908.54 is: 1,931,827.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,511.67 : 2,043,136.19 = 1,398,908.54 : x
  2. Step 2: Convert to fraction form
    1,479,511.67/2,043,136.19 = 1,398,908.54/x
  3. Step 3: Cross multiply
    1,479,511.67x = 2,043,136.19 × 1,398,908.54
  4. Step 4: Simplify right side
    1,479,511.67x = 2,858,160,673,179.17
  5. Step 5: Solve for x
    x = 2,858,160,673,179.17/1,479,511.67
  6. Step 6: Final answer
    x = 1,931,827.06

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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.