Home / 1,830,448.84-2,745,709.62-1,288,488.52

Finding the Fourth Proportional to 1,830,448.84, 2,745,709.62 and 1,288,488.52

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Solution

The fourth proportional to 1,830,448.84, 2,745,709.62 and 1,288,488.52 is: 1,932,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,830,448.84 : 2,745,709.62 = 1,288,488.52 : x
  2. Step 2: Convert to fraction form
    1,830,448.84/2,745,709.62 = 1,288,488.52/x
  3. Step 3: Cross multiply
    1,830,448.84x = 2,745,709.62 × 1,288,488.52
  4. Step 4: Simplify right side
    1,830,448.84x = 3,537,815,324,623.56
  5. Step 5: Solve for x
    x = 3,537,815,324,623.56/1,830,448.84
  6. Step 6: Final answer
    x = 1,932,758.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.