Home / 2,179,416.21-3,007,518.69-1,199,263.56

Finding the Fourth Proportional to 2,179,416.21, 3,007,518.69 and 1,199,263.56

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Solution

The fourth proportional to 2,179,416.21, 3,007,518.69 and 1,199,263.56 is: 1,654,942.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,179,416.21 : 3,007,518.69 = 1,199,263.56 : x
  2. Step 2: Convert to fraction form
    2,179,416.21/3,007,518.69 = 1,199,263.56/x
  3. Step 3: Cross multiply
    2,179,416.21x = 3,007,518.69 × 1,199,263.56
  4. Step 4: Simplify right side
    2,179,416.21x = 3,606,807,570,935.94
  5. Step 5: Solve for x
    x = 3,606,807,570,935.94/2,179,416.21
  6. Step 6: Final answer
    x = 1,654,942.07

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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.