Finding the Fourth Proportional to 2,102,986.67, 3,154,478.85 and 505,549.28
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Solution
The fourth proportional to 2,102,986.67, 3,154,478.85 and 505,549.28 is: 758,323.65
Step by Step Solution
- Step 1: Write the proportion equation
2,102,986.67 : 3,154,478.85 = 505,549.28 : x - Step 2: Convert to fraction form
2,102,986.67/3,154,478.85 = 505,549.28/x - Step 3: Cross multiply
2,102,986.67x = 3,154,478.85 × 505,549.28 - Step 4: Simplify right side
2,102,986.67x = 1,594,744,519,278.93 - Step 5: Solve for x
x = 1,594,744,519,278.93/2,102,986.67 - Step 6: Final answer
x = 758,323.65
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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.