Finding the Fourth Proportional to 2,368,432.62, 3,268,434.51 and 1,280,701.44
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Solution
The fourth proportional to 2,368,432.62, 3,268,434.51 and 1,280,701.44 is: 1,767,366.63
Step by Step Solution
- Step 1: Write the proportion equation
2,368,432.62 : 3,268,434.51 = 1,280,701.44 : x - Step 2: Convert to fraction form
2,368,432.62/3,268,434.51 = 1,280,701.44/x - Step 3: Cross multiply
2,368,432.62x = 3,268,434.51 × 1,280,701.44 - Step 4: Simplify right side
2,368,432.62x = 4,185,888,783,502.69 - Step 5: Solve for x
x = 4,185,888,783,502.69/2,368,432.62 - Step 6: Final answer
x = 1,767,366.63
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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.