Finding the Fourth Proportional to 5,208,517.74, 7,806,478.03 and 2,682,795.18
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Solution
The fourth proportional to 5,208,517.74, 7,806,478.03 and 2,682,795.18 is: 4,020,948.51
Step by Step Solution
- Step 1: Write the proportion equation
5,208,517.74 : 7,806,478.03 = 2,682,795.18 : x - Step 2: Convert to fraction form
5,208,517.74/7,806,478.03 = 2,682,795.18/x - Step 3: Cross multiply
5,208,517.74x = 7,806,478.03 × 2,682,795.18 - Step 4: Simplify right side
5,208,517.74x = 20,943,181,631,659.90 - Step 5: Solve for x
x = 20,943,181,631,659.90/5,208,517.74 - Step 6: Final answer
x = 4,020,948.51
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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.