Home / 1,621,187.03-2,237,246.86-886,142.31

Finding the Fourth Proportional to 1,621,187.03, 2,237,246.86 and 886,142.31

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Solution

The fourth proportional to 1,621,187.03, 2,237,246.86 and 886,142.31 is: 1,222,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,187.03 : 2,237,246.86 = 886,142.31 : x
  2. Step 2: Convert to fraction form
    1,621,187.03/2,237,246.86 = 886,142.31/x
  3. Step 3: Cross multiply
    1,621,187.03x = 2,237,246.86 × 886,142.31
  4. Step 4: Simplify right side
    1,621,187.03x = 1,982,519,093,784.11
  5. Step 5: Solve for x
    x = 1,982,519,093,784.11/1,621,187.03
  6. Step 6: Final answer
    x = 1,222,881.17

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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.