Home / 1,621,266.13-2,237,356.18-886,221.51

Finding the Fourth Proportional to 1,621,266.13, 2,237,356.18 and 886,221.51

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Solution

The fourth proportional to 1,621,266.13, 2,237,356.18 and 886,221.51 is: 1,222,990.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,266.13 : 2,237,356.18 = 886,221.51 : x
  2. Step 2: Convert to fraction form
    1,621,266.13/2,237,356.18 = 886,221.51/x
  3. Step 3: Cross multiply
    1,621,266.13x = 2,237,356.18 × 886,221.51
  4. Step 4: Simplify right side
    1,621,266.13x = 1,982,793,164,965.12
  5. Step 5: Solve for x
    x = 1,982,793,164,965.12/1,621,266.13
  6. Step 6: Final answer
    x = 1,222,990.55

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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.