Finding the Fourth Proportional to 4,875,461.40, 7,313,192.10 and 3,670,861.80
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Solution
The fourth proportional to 4,875,461.40, 7,313,192.10 and 3,670,861.80 is: 5,506,292.70
Step by Step Solution
- Step 1: Write the proportion equation
4,875,461.40 : 7,313,192.10 = 3,670,861.80 : x - Step 2: Convert to fraction form
4,875,461.40/7,313,192.10 = 3,670,861.80/x - Step 3: Cross multiply
4,875,461.40x = 7,313,192.10 × 3,670,861.80 - Step 4: Simplify right side
4,875,461.40x = 26,845,717,515,951.78 - Step 5: Solve for x
x = 26,845,717,515,951.78/4,875,461.40 - Step 6: Final answer
x = 5,506,292.70
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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.