Finding the Fourth Proportional to 5,554,083.68, 7,665,344.49 and 3,106,830.68
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Solution
The fourth proportional to 5,554,083.68, 7,665,344.49 and 3,106,830.68 is: 4,287,822.94
Step by Step Solution
- Step 1: Write the proportion equation
5,554,083.68 : 7,665,344.49 = 3,106,830.68 : x - Step 2: Convert to fraction form
5,554,083.68/7,665,344.49 = 3,106,830.68/x - Step 3: Cross multiply
5,554,083.68x = 7,665,344.49 × 3,106,830.68 - Step 4: Simplify right side
5,554,083.68x = 23,814,927,434,300.96 - Step 5: Solve for x
x = 23,814,927,434,300.96/5,554,083.68 - Step 6: Final answer
x = 4,287,822.94
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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.