Finding the Fourth Proportional to 5,026,130.09, 7,537,949.55 and 1,431,928.17
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Solution
The fourth proportional to 5,026,130.09, 7,537,949.55 and 1,431,928.17 is: 2,147,537.39
Step by Step Solution
- Step 1: Write the proportion equation
5,026,130.09 : 7,537,949.55 = 1,431,928.17 : x - Step 2: Convert to fraction form
5,026,130.09/7,537,949.55 = 1,431,928.17/x - Step 3: Cross multiply
5,026,130.09x = 7,537,949.55 × 1,431,928.17 - Step 4: Simplify right side
5,026,130.09x = 10,793,802,304,683.82 - Step 5: Solve for x
x = 10,793,802,304,683.82/5,026,130.09 - Step 6: Final answer
x = 2,147,537.39
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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.