Home / 2,986,305-4,121,204.58-1,697,199.72

Finding the Fourth Proportional to 2,986,305, 4,121,204.58 and 1,697,199.72

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Solution

The fourth proportional to 2,986,305, 4,121,204.58 and 1,697,199.72 is: 2,342,194.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,305 : 4,121,204.58 = 1,697,199.72 : x
  2. Step 2: Convert to fraction form
    2,986,305/4,121,204.58 = 1,697,199.72/x
  3. Step 3: Cross multiply
    2,986,305x = 4,121,204.58 × 1,697,199.72
  4. Step 4: Simplify right side
    2,986,305x = 6,994,507,259,238.72
  5. Step 5: Solve for x
    x = 6,994,507,259,238.72/2,986,305
  6. Step 6: Final answer
    x = 2,342,194.54

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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.