Finding the Fourth Proportional to 4,090,382.60, 6,136,286.70 and 1,692,912.20
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Solution
The fourth proportional to 4,090,382.60, 6,136,286.70 and 1,692,912.20 is: 2,539,663.31
Step by Step Solution
- Step 1: Write the proportion equation
4,090,382.60 : 6,136,286.70 = 1,692,912.20 : x - Step 2: Convert to fraction form
4,090,382.60/6,136,286.70 = 1,692,912.20/x - Step 3: Cross multiply
4,090,382.60x = 6,136,286.70 × 1,692,912.20 - Step 4: Simplify right side
4,090,382.60x = 10,388,194,617,127.74 - Step 5: Solve for x
x = 10,388,194,617,127.74/4,090,382.60 - Step 6: Final answer
x = 2,539,663.31
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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.