Home / 3,809,966.84-5,257,904.62-2,091,145.40

Finding the Fourth Proportional to 3,809,966.84, 5,257,904.62 and 2,091,145.40

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Solution

The fourth proportional to 3,809,966.84, 5,257,904.62 and 2,091,145.40 is: 2,885,863.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,809,966.84 : 5,257,904.62 = 2,091,145.40 : x
  2. Step 2: Convert to fraction form
    3,809,966.84/5,257,904.62 = 2,091,145.40/x
  3. Step 3: Cross multiply
    3,809,966.84x = 5,257,904.62 × 2,091,145.40
  4. Step 4: Simplify right side
    3,809,966.84x = 10,995,043,059,751.75
  5. Step 5: Solve for x
    x = 10,995,043,059,751.75/3,809,966.84
  6. Step 6: Final answer
    x = 2,885,863.19

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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.