Finding the Fourth Proportional to 5,206,419.18, 7,806,638.66 and 2,774,578.46
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Solution
The fourth proportional to 5,206,419.18, 7,806,638.66 and 2,774,578.46 is: 4,160,274.21
Step by Step Solution
- Step 1: Write the proportion equation
5,206,419.18 : 7,806,638.66 = 2,774,578.46 : x - Step 2: Convert to fraction form
5,206,419.18/7,806,638.66 = 2,774,578.46/x - Step 3: Cross multiply
5,206,419.18x = 7,806,638.66 × 2,774,578.46 - Step 4: Simplify right side
5,206,419.18x = 21,660,131,418,133.18 - Step 5: Solve for x
x = 21,660,131,418,133.18/5,206,419.18 - Step 6: Final answer
x = 4,160,274.21
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.