Finding the Fourth Proportional to 4,913,174.79, 6,780,112.29 and 2,737,809.63
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Solution
The fourth proportional to 4,913,174.79, 6,780,112.29 and 2,737,809.63 is: 3,778,138.88
Step by Step Solution
- Step 1: Write the proportion equation
4,913,174.79 : 6,780,112.29 = 2,737,809.63 : x - Step 2: Convert to fraction form
4,913,174.79/6,780,112.29 = 2,737,809.63/x - Step 3: Cross multiply
4,913,174.79x = 6,780,112.29 × 2,737,809.63 - Step 4: Simplify right side
4,913,174.79x = 18,562,656,720,043.35 - Step 5: Solve for x
x = 18,562,656,720,043.35/4,913,174.79 - Step 6: Final answer
x = 3,778,138.88
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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.