Home / 1,804,100.24-2,489,072.55-1,230,143.96

Finding the Fourth Proportional to 1,804,100.24, 2,489,072.55 and 1,230,143.96

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Solution

The fourth proportional to 1,804,100.24, 2,489,072.55 and 1,230,143.96 is: 1,697,199.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,804,100.24 : 2,489,072.55 = 1,230,143.96 : x
  2. Step 2: Convert to fraction form
    1,804,100.24/2,489,072.55 = 1,230,143.96/x
  3. Step 3: Cross multiply
    1,804,100.24x = 2,489,072.55 × 1,230,143.96
  4. Step 4: Simplify right side
    1,804,100.24x = 3,061,917,564,993.94
  5. Step 5: Solve for x
    x = 3,061,917,564,993.94/1,804,100.24
  6. Step 6: Final answer
    x = 1,697,199.24

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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.