Finding the Fourth Proportional to 5,208,535.36, 7,806,504.48 and 2,682,812.80
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Solution
The fourth proportional to 5,208,535.36, 7,806,504.48 and 2,682,812.80 is: 4,020,974.94
Step by Step Solution
- Step 1: Write the proportion equation
5,208,535.36 : 7,806,504.48 = 2,682,812.80 : x - Step 2: Convert to fraction form
5,208,535.36/7,806,504.48 = 2,682,812.80/x - Step 3: Cross multiply
5,208,535.36x = 7,806,504.48 × 2,682,812.80 - Step 4: Simplify right side
5,208,535.36x = 20,943,390,142,201.34 - Step 5: Solve for x
x = 20,943,390,142,201.34/5,208,535.36 - Step 6: Final answer
x = 4,020,974.94
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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.