Finding the Fourth Proportional to 2,174,244.88, 3,000,557.84 and 1,207,378.92
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Solution
The fourth proportional to 2,174,244.88, 3,000,557.84 and 1,207,378.92 is: 1,666,238.39
Step by Step Solution
- Step 1: Write the proportion equation
2,174,244.88 : 3,000,557.84 = 1,207,378.92 : x - Step 2: Convert to fraction form
2,174,244.88/3,000,557.84 = 1,207,378.92/x - Step 3: Cross multiply
2,174,244.88x = 3,000,557.84 × 1,207,378.92 - Step 4: Simplify right side
2,174,244.88x = 3,622,810,284,256.73 - Step 5: Solve for x
x = 3,622,810,284,256.73/2,174,244.88 - Step 6: Final answer
x = 1,666,238.39
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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.