Home / 2,765,057.40-4,147,586.10-770,513.40

Finding the Fourth Proportional to 2,765,057.40, 4,147,586.10 and 770,513.40

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Solution

The fourth proportional to 2,765,057.40, 4,147,586.10 and 770,513.40 is: 1,155,770.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,765,057.40 : 4,147,586.10 = 770,513.40 : x
  2. Step 2: Convert to fraction form
    2,765,057.40/4,147,586.10 = 770,513.40/x
  3. Step 3: Cross multiply
    2,765,057.40x = 4,147,586.10 × 770,513.40
  4. Step 4: Simplify right side
    2,765,057.40x = 3,195,770,667,703.74
  5. Step 5: Solve for x
    x = 3,195,770,667,703.74/2,765,057.40
  6. Step 6: Final answer
    x = 1,155,770.10

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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.