Home / 1,864,973.72-2,786,843.85-1,400,322.56

Finding the Fourth Proportional to 1,864,973.72, 2,786,843.85 and 1,400,322.56

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Solution

The fourth proportional to 1,864,973.72, 2,786,843.85 and 1,400,322.56 is: 2,092,512.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864,973.72 : 2,786,843.85 = 1,400,322.56 : x
  2. Step 2: Convert to fraction form
    1,864,973.72/2,786,843.85 = 1,400,322.56/x
  3. Step 3: Cross multiply
    1,864,973.72x = 2,786,843.85 × 1,400,322.56
  4. Step 4: Simplify right side
    1,864,973.72x = 3,902,480,314,352.26
  5. Step 5: Solve for x
    x = 3,902,480,314,352.26/1,864,973.72
  6. Step 6: Final answer
    x = 2,092,512.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.