Home / 2,298,873.73-3,172,065.69-1,393,455.73

Finding the Fourth Proportional to 2,298,873.73, 3,172,065.69 and 1,393,455.73

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Solution

The fourth proportional to 2,298,873.73, 3,172,065.69 and 1,393,455.73 is: 1,922,738.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,298,873.73 : 3,172,065.69 = 1,393,455.73 : x
  2. Step 2: Convert to fraction form
    2,298,873.73/3,172,065.69 = 1,393,455.73/x
  3. Step 3: Cross multiply
    2,298,873.73x = 3,172,065.69 × 1,393,455.73
  4. Step 4: Simplify right side
    2,298,873.73x = 4,420,133,111,666.90
  5. Step 5: Solve for x
    x = 4,420,133,111,666.90/2,298,873.73
  6. Step 6: Final answer
    x = 1,922,738.54

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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.