Finding the Fourth Proportional to 1,722,391.68, 2,583,763.68 and 658,329.36
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Solution
The fourth proportional to 1,722,391.68, 2,583,763.68 and 658,329.36 is: 987,561.37
Step by Step Solution
- Step 1: Write the proportion equation
1,722,391.68 : 2,583,763.68 = 658,329.36 : x - Step 2: Convert to fraction form
1,722,391.68/2,583,763.68 = 658,329.36/x - Step 3: Cross multiply
1,722,391.68x = 2,583,763.68 × 658,329.36 - Step 4: Simplify right side
1,722,391.68x = 1,700,967,489,845.64 - Step 5: Solve for x
x = 1,700,967,489,845.64/1,722,391.68 - Step 6: Final answer
x = 987,561.37
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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.