Home / 1,661,410.90-2,292,795.08-936,218.71

Finding the Fourth Proportional to 1,661,410.90, 2,292,795.08 and 936,218.71

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Solution

The fourth proportional to 1,661,410.90, 2,292,795.08 and 936,218.71 is: 1,292,008.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,410.90 : 2,292,795.08 = 936,218.71 : x
  2. Step 2: Convert to fraction form
    1,661,410.90/2,292,795.08 = 936,218.71/x
  3. Step 3: Cross multiply
    1,661,410.90x = 2,292,795.08 × 936,218.71
  4. Step 4: Simplify right side
    1,661,410.90x = 2,146,557,652,091.95
  5. Step 5: Solve for x
    x = 2,146,557,652,091.95/1,661,410.90
  6. Step 6: Final answer
    x = 1,292,008.89

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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.