Finding the Fourth Proportional to 1,472,614.56, 2,207,522.16 and 938,636.64
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Solution
The fourth proportional to 1,472,614.56, 2,207,522.16 and 938,636.64 is: 1,407,062.81
Step by Step Solution
- Step 1: Write the proportion equation
1,472,614.56 : 2,207,522.16 = 938,636.64 : x - Step 2: Convert to fraction form
1,472,614.56/2,207,522.16 = 938,636.64/x - Step 3: Cross multiply
1,472,614.56x = 2,207,522.16 × 938,636.64 - Step 4: Simplify right side
1,472,614.56x = 2,072,061,182,987.94 - Step 5: Solve for x
x = 2,072,061,182,987.94/1,472,614.56 - Step 6: Final answer
x = 1,407,062.81
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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.