Finding the Fourth Proportional to 6,769,663.68, 10,154,823.60 and 2,220,310.02
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Solution
The fourth proportional to 6,769,663.68, 10,154,823.60 and 2,220,310.02 is: 3,330,572.63
Step by Step Solution
- Step 1: Write the proportion equation
6,769,663.68 : 10,154,823.60 = 2,220,310.02 : x - Step 2: Convert to fraction form
6,769,663.68/10,154,823.60 = 2,220,310.02/x - Step 3: Cross multiply
6,769,663.68x = 10,154,823.60 × 2,220,310.02 - Step 4: Simplify right side
6,769,663.68x = 22,546,856,590,412.47 - Step 5: Solve for x
x = 22,546,856,590,412.47/6,769,663.68 - Step 6: Final answer
x = 3,330,572.63
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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.