Home / 1,899,243.28-2,621,324.60-1,439,556.04

Finding the Fourth Proportional to 1,899,243.28, 2,621,324.60 and 1,439,556.04

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Solution

The fourth proportional to 1,899,243.28, 2,621,324.60 and 1,439,556.04 is: 1,986,866.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,899,243.28 : 2,621,324.60 = 1,439,556.04 : x
  2. Step 2: Convert to fraction form
    1,899,243.28/2,621,324.60 = 1,439,556.04/x
  3. Step 3: Cross multiply
    1,899,243.28x = 2,621,324.60 × 1,439,556.04
  4. Step 4: Simplify right side
    1,899,243.28x = 3,773,543,653,532.80
  5. Step 5: Solve for x
    x = 3,773,543,653,532.80/1,899,243.28
  6. Step 6: Final answer
    x = 1,986,866.92

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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.