Home / 2,119,843.84-2,925,382.40-1,214,429.44

Finding the Fourth Proportional to 2,119,843.84, 2,925,382.40 and 1,214,429.44

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Solution

The fourth proportional to 2,119,843.84, 2,925,382.40 and 1,214,429.44 is: 1,675,911.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,119,843.84 : 2,925,382.40 = 1,214,429.44 : x
  2. Step 2: Convert to fraction form
    2,119,843.84/2,925,382.40 = 1,214,429.44/x
  3. Step 3: Cross multiply
    2,119,843.84x = 2,925,382.40 × 1,214,429.44
  4. Step 4: Simplify right side
    2,119,843.84x = 3,552,670,509,817.86
  5. Step 5: Solve for x
    x = 3,552,670,509,817.86/2,119,843.84
  6. Step 6: Final answer
    x = 1,675,911.42

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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.