Home / 1,999,314.96-2,757,933-1,225,320.72

Finding the Fourth Proportional to 1,999,314.96, 2,757,933 and 1,225,320.72

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Solution

The fourth proportional to 1,999,314.96, 2,757,933 and 1,225,320.72 is: 1,690,255.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,999,314.96 : 2,757,933 = 1,225,320.72 : x
  2. Step 2: Convert to fraction form
    1,999,314.96/2,757,933 = 1,225,320.72/x
  3. Step 3: Cross multiply
    1,999,314.96x = 2,757,933 × 1,225,320.72
  4. Step 4: Simplify right side
    1,999,314.96x = 3,379,352,449,271.76
  5. Step 5: Solve for x
    x = 3,379,352,449,271.76/1,999,314.96
  6. Step 6: Final answer
    x = 1,690,255.17

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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.