Home / 2,040,288.24-2,815,559.64-1,395,686.64

Finding the Fourth Proportional to 2,040,288.24, 2,815,559.64 and 1,395,686.64

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Solution

The fourth proportional to 2,040,288.24, 2,815,559.64 and 1,395,686.64 is: 1,926,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040,288.24 : 2,815,559.64 = 1,395,686.64 : x
  2. Step 2: Convert to fraction form
    2,040,288.24/2,815,559.64 = 1,395,686.64/x
  3. Step 3: Cross multiply
    2,040,288.24x = 2,815,559.64 × 1,395,686.64
  4. Step 4: Simplify right side
    2,040,288.24x = 3,929,638,973,671.21
  5. Step 5: Solve for x
    x = 3,929,638,973,671.21/2,040,288.24
  6. Step 6: Final answer
    x = 1,926,021.48

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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.