Finding the Fourth Proportional to 5,186,386.42, 7,158,150.02 and 3,093,362.99
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Solution
The fourth proportional to 5,186,386.42, 7,158,150.02 and 3,093,362.99 is: 4,269,399.65
Step by Step Solution
- Step 1: Write the proportion equation
5,186,386.42 : 7,158,150.02 = 3,093,362.99 : x - Step 2: Convert to fraction form
5,186,386.42/7,158,150.02 = 3,093,362.99/x - Step 3: Cross multiply
5,186,386.42x = 7,158,150.02 × 3,093,362.99 - Step 4: Simplify right side
5,186,386.42x = 22,142,756,348,735.76 - Step 5: Solve for x
x = 22,142,756,348,735.76/5,186,386.42 - Step 6: Final answer
x = 4,269,399.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.