Home / 2,556,975.30-3,840,777.36-2,028,191.51

Finding the Fourth Proportional to 2,556,975.30, 3,840,777.36 and 2,028,191.51

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Solution

The fourth proportional to 2,556,975.30, 3,840,777.36 and 2,028,191.51 is: 3,046,502.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556,975.30 : 3,840,777.36 = 2,028,191.51 : x
  2. Step 2: Convert to fraction form
    2,556,975.30/3,840,777.36 = 2,028,191.51/x
  3. Step 3: Cross multiply
    2,556,975.30x = 3,840,777.36 × 2,028,191.51
  4. Step 4: Simplify right side
    2,556,975.30x = 7,789,832,014,148.33
  5. Step 5: Solve for x
    x = 7,789,832,014,148.33/2,556,975.30
  6. Step 6: Final answer
    x = 3,046,502.64

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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.