Home / 3,830,348.84-5,285,918.19-2,111,530.86

Finding the Fourth Proportional to 3,830,348.84, 5,285,918.19 and 2,111,530.86

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Solution

The fourth proportional to 3,830,348.84, 5,285,918.19 and 2,111,530.86 is: 2,913,932.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,348.84 : 5,285,918.19 = 2,111,530.86 : x
  2. Step 2: Convert to fraction form
    3,830,348.84/5,285,918.19 = 2,111,530.86/x
  3. Step 3: Cross multiply
    3,830,348.84x = 5,285,918.19 × 2,111,530.86
  4. Step 4: Simplify right side
    3,830,348.84x = 11,161,379,381,620.34
  5. Step 5: Solve for x
    x = 11,161,379,381,620.34/3,830,348.84
  6. Step 6: Final answer
    x = 2,913,932.87

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Double scale
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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.