Finding the Fourth Proportional to 2,371,918.11, 3,273,207.30 and 1,284,180.86
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Solution
The fourth proportional to 2,371,918.11, 3,273,207.30 and 1,284,180.86 is: 1,772,148.09
Step by Step Solution
- Step 1: Write the proportion equation
2,371,918.11 : 3,273,207.30 = 1,284,180.86 : x - Step 2: Convert to fraction form
2,371,918.11/3,273,207.30 = 1,284,180.86/x - Step 3: Cross multiply
2,371,918.11x = 3,273,207.30 × 1,284,180.86 - Step 4: Simplify right side
2,371,918.11x = 4,203,390,149,106.24 - Step 5: Solve for x
x = 4,203,390,149,106.24/2,371,918.11 - Step 6: Final answer
x = 1,772,148.09
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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.