Finding the Fourth Proportional to 1,471,471.88, 2,207,185.92 and 406,490.36
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Solution
The fourth proportional to 1,471,471.88, 2,207,185.92 and 406,490.36 is: 609,729.49
Step by Step Solution
- Step 1: Write the proportion equation
1,471,471.88 : 2,207,185.92 = 406,490.36 : x - Step 2: Convert to fraction form
1,471,471.88/2,207,185.92 = 406,490.36/x - Step 3: Cross multiply
1,471,471.88x = 2,207,185.92 × 406,490.36 - Step 4: Simplify right side
1,471,471.88x = 897,199,799,207.73 - Step 5: Solve for x
x = 897,199,799,207.73/1,471,471.88 - Step 6: Final answer
x = 609,729.49
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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.