Home / 1,962,581.80-2,941,685.70-764,105.80

Finding the Fourth Proportional to 1,962,581.80, 2,941,685.70 and 764,105.80

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Solution

The fourth proportional to 1,962,581.80, 2,941,685.70 and 764,105.80 is: 1,145,307.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962,581.80 : 2,941,685.70 = 764,105.80 : x
  2. Step 2: Convert to fraction form
    1,962,581.80/2,941,685.70 = 764,105.80/x
  3. Step 3: Cross multiply
    1,962,581.80x = 2,941,685.70 × 764,105.80
  4. Step 4: Simplify right side
    1,962,581.80x = 2,247,759,105,147.06
  5. Step 5: Solve for x
    x = 2,247,759,105,147.06/1,962,581.80
  6. Step 6: Final answer
    x = 1,145,307.22

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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.