Home / 2,183,141.68-3,259,362.36-1,668,111.38

Finding the Fourth Proportional to 2,183,141.68, 3,259,362.36 and 1,668,111.38

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Solution

The fourth proportional to 2,183,141.68, 3,259,362.36 and 1,668,111.38 is: 2,490,438.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,183,141.68 : 3,259,362.36 = 1,668,111.38 : x
  2. Step 2: Convert to fraction form
    2,183,141.68/3,259,362.36 = 1,668,111.38/x
  3. Step 3: Cross multiply
    2,183,141.68x = 3,259,362.36 × 1,668,111.38
  4. Step 4: Simplify right side
    2,183,141.68x = 5,436,979,441,749.31
  5. Step 5: Solve for x
    x = 5,436,979,441,749.31/2,183,141.68
  6. Step 6: Final answer
    x = 2,490,438.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.