Home / 2,070,836.65-3,105,215.53-1,206,551.33

Finding the Fourth Proportional to 2,070,836.65, 3,105,215.53 and 1,206,551.33

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Solution

The fourth proportional to 2,070,836.65, 3,105,215.53 and 1,206,551.33 is: 1,809,221.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070,836.65 : 3,105,215.53 = 1,206,551.33 : x
  2. Step 2: Convert to fraction form
    2,070,836.65/3,105,215.53 = 1,206,551.33/x
  3. Step 3: Cross multiply
    2,070,836.65x = 3,105,215.53 × 1,206,551.33
  4. Step 4: Simplify right side
    2,070,836.65x = 3,746,601,921,625.40
  5. Step 5: Solve for x
    x = 3,746,601,921,625.40/2,070,836.65
  6. Step 6: Final answer
    x = 1,809,221.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.