Finding the Fourth Proportional to 5,897,347.63, 8,136,993.40 and 3,318,087.31
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Solution
The fourth proportional to 5,897,347.63, 8,136,993.40 and 3,318,087.31 is: 4,578,202.99
Step by Step Solution
- Step 1: Write the proportion equation
5,897,347.63 : 8,136,993.40 = 3,318,087.31 : x - Step 2: Convert to fraction form
5,897,347.63/8,136,993.40 = 3,318,087.31/x - Step 3: Cross multiply
5,897,347.63x = 8,136,993.40 × 3,318,087.31 - Step 4: Simplify right side
5,897,347.63x = 26,999,254,513,456.05 - Step 5: Solve for x
x = 26,999,254,513,456.05/5,897,347.63 - Step 6: Final answer
x = 4,578,202.99
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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.