Finding the Fourth Proportional to 1,512,344.22, 2,087,008.74 and 824,021.82
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Solution
The fourth proportional to 1,512,344.22, 2,087,008.74 and 824,021.82 is: 1,137,135.79
Step by Step Solution
- Step 1: Write the proportion equation
1,512,344.22 : 2,087,008.74 = 824,021.82 : x - Step 2: Convert to fraction form
1,512,344.22/2,087,008.74 = 824,021.82/x - Step 3: Cross multiply
1,512,344.22x = 2,087,008.74 × 824,021.82 - Step 4: Simplify right side
1,512,344.22x = 1,719,740,740,290.71 - Step 5: Solve for x
x = 1,719,740,740,290.71/1,512,344.22 - Step 6: Final answer
x = 1,137,135.79
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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.