Finding the Fourth Proportional to 2,837,683.37, 4,256,405.99 and 1,320,844.70
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Solution
The fourth proportional to 2,837,683.37, 4,256,405.99 and 1,320,844.70 is: 1,981,211.63
Step by Step Solution
- Step 1: Write the proportion equation
2,837,683.37 : 4,256,405.99 = 1,320,844.70 : x - Step 2: Convert to fraction form
2,837,683.37/4,256,405.99 = 1,320,844.70/x - Step 3: Cross multiply
2,837,683.37x = 4,256,405.99 × 1,320,844.70 - Step 4: Simplify right side
2,837,683.37x = 5,622,051,296,976.55 - Step 5: Solve for x
x = 5,622,051,296,976.55/2,837,683.37 - Step 6: Final answer
x = 1,981,211.63
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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.