Home / 2,225,370.30-3,071,011.83-1,206,774.78

Finding the Fourth Proportional to 2,225,370.30, 3,071,011.83 and 1,206,774.78

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Solution

The fourth proportional to 2,225,370.30, 3,071,011.83 and 1,206,774.78 is: 1,665,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,225,370.30 : 3,071,011.83 = 1,206,774.78 : x
  2. Step 2: Convert to fraction form
    2,225,370.30/3,071,011.83 = 1,206,774.78/x
  3. Step 3: Cross multiply
    2,225,370.30x = 3,071,011.83 × 1,206,774.78
  4. Step 4: Simplify right side
    2,225,370.30x = 3,706,019,625,525.65
  5. Step 5: Solve for x
    x = 3,706,019,625,525.65/2,225,370.30
  6. Step 6: Final answer
    x = 1,665,349.64

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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.