Home / 2,183,990.85-3,013,917.48-1,266,763.05

Finding the Fourth Proportional to 2,183,990.85, 3,013,917.48 and 1,266,763.05

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Solution

The fourth proportional to 2,183,990.85, 3,013,917.48 and 1,266,763.05 is: 1,748,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,990.85 : 3,013,917.48 = 1,266,763.05 : x
  2. Step 2: Convert to fraction form
    2,183,990.85/3,013,917.48 = 1,266,763.05/x
  3. Step 3: Cross multiply
    2,183,990.85x = 3,013,917.48 × 1,266,763.05
  4. Step 4: Simplify right side
    2,183,990.85x = 3,817,919,299,413.11
  5. Step 5: Solve for x
    x = 3,817,919,299,413.11/2,183,990.85
  6. Step 6: Final answer
    x = 1,748,138.87

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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.