Finding the Fourth Proportional to 5,732,916.60, 8,599,374.90 and 3,208,243.80
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Solution
The fourth proportional to 5,732,916.60, 8,599,374.90 and 3,208,243.80 is: 4,812,365.70
Step by Step Solution
- Step 1: Write the proportion equation
5,732,916.60 : 8,599,374.90 = 3,208,243.80 : x - Step 2: Convert to fraction form
5,732,916.60/8,599,374.90 = 3,208,243.80/x - Step 3: Cross multiply
5,732,916.60x = 8,599,374.90 × 3,208,243.80 - Step 4: Simplify right side
5,732,916.60x = 27,588,891,206,800.62 - Step 5: Solve for x
x = 27,588,891,206,800.62/5,732,916.60 - Step 6: Final answer
x = 4,812,365.70
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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.