Home / 3,830,724-5,286,439.86-2,111,906.08

Finding the Fourth Proportional to 3,830,724, 5,286,439.86 and 2,111,906.08

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Solution

The fourth proportional to 3,830,724, 5,286,439.86 and 2,111,906.08 is: 2,914,452.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,830,724 : 5,286,439.86 = 2,111,906.08 : x
  2. Step 2: Convert to fraction form
    3,830,724/5,286,439.86 = 2,111,906.08/x
  3. Step 3: Cross multiply
    3,830,724x = 5,286,439.86 × 2,111,906.08
  4. Step 4: Simplify right side
    3,830,724x = 11,164,464,481,888.35
  5. Step 5: Solve for x
    x = 11,164,464,481,888.35/3,830,724
  6. Step 6: Final answer
    x = 2,914,452.85

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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.