Finding the Fourth Proportional to 3,315,916.29, 4,973,874.11 and 919,761.02
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Solution
The fourth proportional to 3,315,916.29, 4,973,874.11 and 919,761.02 is: 1,379,641.44
Step by Step Solution
- Step 1: Write the proportion equation
3,315,916.29 : 4,973,874.11 = 919,761.02 : x - Step 2: Convert to fraction form
3,315,916.29/4,973,874.11 = 919,761.02/x - Step 3: Cross multiply
3,315,916.29x = 4,973,874.11 × 919,761.02 - Step 4: Simplify right side
3,315,916.29x = 4,574,775,532,601.07 - Step 5: Solve for x
x = 4,574,775,532,601.07/3,315,916.29 - Step 6: Final answer
x = 1,379,641.44
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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.