Finding the Fourth Proportional to 3,026,623.76, 4,176,531.49 and 1,702,245.80
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Solution
The fourth proportional to 3,026,623.76, 4,176,531.49 and 1,702,245.80 is: 2,348,981.49
Step by Step Solution
- Step 1: Write the proportion equation
3,026,623.76 : 4,176,531.49 = 1,702,245.80 : x - Step 2: Convert to fraction form
3,026,623.76/4,176,531.49 = 1,702,245.80/x - Step 3: Cross multiply
3,026,623.76x = 4,176,531.49 × 1,702,245.80 - Step 4: Simplify right side
3,026,623.76x = 7,109,483,187,420.24 - Step 5: Solve for x
x = 7,109,483,187,420.24/3,026,623.76 - Step 6: Final answer
x = 2,348,981.49
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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.