Finding the Fourth Proportional to 1,001,672.21, 1,502,486.42 and 243,517.68
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Solution
The fourth proportional to 1,001,672.21, 1,502,486.42 and 243,517.68 is: 365,271.19
Step by Step Solution
- Step 1: Write the proportion equation
1,001,672.21 : 1,502,486.42 = 243,517.68 : x - Step 2: Convert to fraction form
1,001,672.21/1,502,486.42 = 243,517.68/x - Step 3: Cross multiply
1,001,672.21x = 1,502,486.42 × 243,517.68 - Step 4: Simplify right side
1,001,672.21x = 365,882,006,012.32 - Step 5: Solve for x
x = 365,882,006,012.32/1,001,672.21 - Step 6: Final answer
x = 365,271.19
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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.