Home / 1,616,133.64-2,230,279.62-891,006.76

Finding the Fourth Proportional to 1,616,133.64, 2,230,279.62 and 891,006.76

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Solution

The fourth proportional to 1,616,133.64, 2,230,279.62 and 891,006.76 is: 1,229,597.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,133.64 : 2,230,279.62 = 891,006.76 : x
  2. Step 2: Convert to fraction form
    1,616,133.64/2,230,279.62 = 891,006.76/x
  3. Step 3: Cross multiply
    1,616,133.64x = 2,230,279.62 × 891,006.76
  4. Step 4: Simplify right side
    1,616,133.64x = 1,987,194,218,110.23
  5. Step 5: Solve for x
    x = 1,987,194,218,110.23/1,616,133.64
  6. Step 6: Final answer
    x = 1,229,597.71

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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.