Finding the Fourth Proportional to 1,551,651.12, 2,141,304.66 and 863,377.92
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Solution
The fourth proportional to 1,551,651.12, 2,141,304.66 and 863,377.92 is: 1,191,476.06
Step by Step Solution
- Step 1: Write the proportion equation
1,551,651.12 : 2,141,304.66 = 863,377.92 : x - Step 2: Convert to fraction form
1,551,651.12/2,141,304.66 = 863,377.92/x - Step 3: Cross multiply
1,551,651.12x = 2,141,304.66 × 863,377.92 - Step 4: Simplify right side
1,551,651.12x = 1,848,755,163,437.11 - Step 5: Solve for x
x = 1,848,755,163,437.11/1,551,651.12 - Step 6: Final answer
x = 1,191,476.06
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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.