Finding the Fourth Proportional to 2,911,910.85, 4,018,737.51 and 1,750,736.97
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Solution
The fourth proportional to 2,911,910.85, 4,018,737.51 and 1,750,736.97 is: 2,416,197.71
Step by Step Solution
- Step 1: Write the proportion equation
2,911,910.85 : 4,018,737.51 = 1,750,736.97 : x - Step 2: Convert to fraction form
2,911,910.85/4,018,737.51 = 1,750,736.97/x - Step 3: Cross multiply
2,911,910.85x = 4,018,737.51 × 1,750,736.97 - Step 4: Simplify right side
2,911,910.85x = 7,035,752,331,482.74 - Step 5: Solve for x
x = 7,035,752,331,482.74/2,911,910.85 - Step 6: Final answer
x = 2,416,197.71
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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.