Finding the Fourth Proportional to 5,208,513.36, 7,806,471.48 and 2,682,790.80
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Solution
The fourth proportional to 5,208,513.36, 7,806,471.48 and 2,682,790.80 is: 4,020,941.95
Step by Step Solution
- Step 1: Write the proportion equation
5,208,513.36 : 7,806,471.48 = 2,682,790.80 : x - Step 2: Convert to fraction form
5,208,513.36/7,806,471.48 = 2,682,790.80/x - Step 3: Cross multiply
5,208,513.36x = 7,806,471.48 × 2,682,790.80 - Step 4: Simplify right side
5,208,513.36x = 20,943,129,867,006.38 - Step 5: Solve for x
x = 20,943,129,867,006.38/5,208,513.36 - Step 6: Final answer
x = 4,020,941.95
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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.