Finding the Fourth Proportional to 3,012,970.16, 4,519,453.80 and 769,107.44
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Solution
The fourth proportional to 3,012,970.16, 4,519,453.80 and 769,107.44 is: 1,153,660.79
Step by Step Solution
- Step 1: Write the proportion equation
3,012,970.16 : 4,519,453.80 = 769,107.44 : x - Step 2: Convert to fraction form
3,012,970.16/4,519,453.80 = 769,107.44/x - Step 3: Cross multiply
3,012,970.16x = 4,519,453.80 × 769,107.44 - Step 4: Simplify right side
3,012,970.16x = 3,475,945,542,316.27 - Step 5: Solve for x
x = 3,475,945,542,316.27/3,012,970.16 - Step 6: Final answer
x = 1,153,660.79
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1.5x scale
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.