Finding the Fourth Proportional to 3,268,235.79, 4,509,986.50 and 1,798,116.62
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Solution
The fourth proportional to 3,268,235.79, 4,509,986.50 and 1,798,116.62 is: 2,481,302.51
Step by Step Solution
- Step 1: Write the proportion equation
3,268,235.79 : 4,509,986.50 = 1,798,116.62 : x - Step 2: Convert to fraction form
3,268,235.79/4,509,986.50 = 1,798,116.62/x - Step 3: Cross multiply
3,268,235.79x = 4,509,986.50 × 1,798,116.62 - Step 4: Simplify right side
3,268,235.79x = 8,109,481,676,577.61 - Step 5: Solve for x
x = 8,109,481,676,577.61/3,268,235.79 - Step 6: Final answer
x = 2,481,302.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.