Home / 1,561,194.20-2,154,419.94-882,116.12

Finding the Fourth Proportional to 1,561,194.20, 2,154,419.94 and 882,116.12

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Solution

The fourth proportional to 1,561,194.20, 2,154,419.94 and 882,116.12 is: 1,217,304.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,194.20 : 2,154,419.94 = 882,116.12 : x
  2. Step 2: Convert to fraction form
    1,561,194.20/2,154,419.94 = 882,116.12/x
  3. Step 3: Cross multiply
    1,561,194.20x = 2,154,419.94 × 882,116.12
  4. Step 4: Simplify right side
    1,561,194.20x = 1,900,448,558,323.43
  5. Step 5: Solve for x
    x = 1,900,448,558,323.43/1,561,194.20
  6. Step 6: Final answer
    x = 1,217,304.39

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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.