Home / 2,667,769.60-4,004,278.80-1,321,452.40

Finding the Fourth Proportional to 2,667,769.60, 4,004,278.80 and 1,321,452.40

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Solution

The fourth proportional to 2,667,769.60, 4,004,278.80 and 1,321,452.40 is: 1,983,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,667,769.60 : 4,004,278.80 = 1,321,452.40 : x
  2. Step 2: Convert to fraction form
    2,667,769.60/4,004,278.80 = 1,321,452.40/x
  3. Step 3: Cross multiply
    2,667,769.60x = 4,004,278.80 × 1,321,452.40
  4. Step 4: Simplify right side
    2,667,769.60x = 5,291,463,830,529.12
  5. Step 5: Solve for x
    x = 5,291,463,830,529.12/2,667,769.60
  6. Step 6: Final answer
    x = 1,983,478.57

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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.