Home / 3,109,617.96-4,289,806.62-1,819,667.04

Finding the Fourth Proportional to 3,109,617.96, 4,289,806.62 and 1,819,667.04

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Solution

The fourth proportional to 3,109,617.96, 4,289,806.62 and 1,819,667.04 is: 2,510,282.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,617.96 : 4,289,806.62 = 1,819,667.04 : x
  2. Step 2: Convert to fraction form
    3,109,617.96/4,289,806.62 = 1,819,667.04/x
  3. Step 3: Cross multiply
    3,109,617.96x = 4,289,806.62 × 1,819,667.04
  4. Step 4: Simplify right side
    3,109,617.96x = 7,806,019,714,387.81
  5. Step 5: Solve for x
    x = 7,806,019,714,387.81/3,109,617.96
  6. Step 6: Final answer
    x = 2,510,282.55

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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.