Home / 1,621,398.92-2,237,531-886,356.39

Finding the Fourth Proportional to 1,621,398.92, 2,237,531 and 886,356.39

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Solution

The fourth proportional to 1,621,398.92, 2,237,531 and 886,356.39 is: 1,223,172.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,398.92 : 2,237,531 = 886,356.39 : x
  2. Step 2: Convert to fraction form
    1,621,398.92/2,237,531 = 886,356.39/x
  3. Step 3: Cross multiply
    1,621,398.92x = 2,237,531 × 886,356.39
  4. Step 4: Simplify right side
    1,621,398.92x = 1,983,249,899,673.09
  5. Step 5: Solve for x
    x = 1,983,249,899,673.09/1,621,398.92
  6. Step 6: Final answer
    x = 1,223,172.09

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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.