Finding the Fourth Proportional to 2,368,382.72, 3,268,365.84 and 1,280,651.68
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Solution
The fourth proportional to 2,368,382.72, 3,268,365.84 and 1,280,651.68 is: 1,767,298.07
Step by Step Solution
- Step 1: Write the proportion equation
2,368,382.72 : 3,268,365.84 = 1,280,651.68 : x - Step 2: Convert to fraction form
2,368,382.72/3,268,365.84 = 1,280,651.68/x - Step 3: Cross multiply
2,368,382.72x = 3,268,365.84 × 1,280,651.68 - Step 4: Simplify right side
2,368,382.72x = 4,185,638,203,850.61 - Step 5: Solve for x
x = 4,185,638,203,850.61/2,368,382.72 - Step 6: Final answer
x = 1,767,298.07
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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.