Finding the Fourth Proportional to 4,807,124.96, 6,638,329.14 and 3,091,226.72
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Solution
The fourth proportional to 4,807,124.96, 6,638,329.14 and 3,091,226.72 is: 4,268,784.48
Step by Step Solution
- Step 1: Write the proportion equation
4,807,124.96 : 6,638,329.14 = 3,091,226.72 : x - Step 2: Convert to fraction form
4,807,124.96/6,638,329.14 = 3,091,226.72/x - Step 3: Cross multiply
4,807,124.96x = 6,638,329.14 × 3,091,226.72 - Step 4: Simplify right side
4,807,124.96x = 20,520,580,413,722.62 - Step 5: Solve for x
x = 20,520,580,413,722.62/4,807,124.96 - Step 6: Final answer
x = 4,268,784.48
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1.5x scale
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.