Home / 1,918,674.24-2,647,994.40-1,595,814.72

Finding the Fourth Proportional to 1,918,674.24, 2,647,994.40 and 1,595,814.72

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Solution

The fourth proportional to 1,918,674.24, 2,647,994.40 and 1,595,814.72 is: 2,202,410.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,674.24 : 2,647,994.40 = 1,595,814.72 : x
  2. Step 2: Convert to fraction form
    1,918,674.24/2,647,994.40 = 1,595,814.72/x
  3. Step 3: Cross multiply
    1,918,674.24x = 2,647,994.40 × 1,595,814.72
  4. Step 4: Simplify right side
    1,918,674.24x = 4,225,708,441,997.57
  5. Step 5: Solve for x
    x = 4,225,708,441,997.57/1,918,674.24
  6. Step 6: Final answer
    x = 2,202,410.58

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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.