Home / 1,896,851.40-2,617,491.15-1,069,879.43

Finding the Fourth Proportional to 1,896,851.40, 2,617,491.15 and 1,069,879.43

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Solution

The fourth proportional to 1,896,851.40, 2,617,491.15 and 1,069,879.43 is: 1,476,341.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,896,851.40 : 2,617,491.15 = 1,069,879.43 : x
  2. Step 2: Convert to fraction form
    1,896,851.40/2,617,491.15 = 1,069,879.43/x
  3. Step 3: Cross multiply
    1,896,851.40x = 2,617,491.15 × 1,069,879.43
  4. Step 4: Simplify right side
    1,896,851.40x = 2,800,399,926,504.59
  5. Step 5: Solve for x
    x = 2,800,399,926,504.59/1,896,851.40
  6. Step 6: Final answer
    x = 1,476,341.23

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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.