Finding the Fourth Proportional to 3,702,895.74, 5,107,761.70 and 2,445,590.81
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Solution
The fourth proportional to 3,702,895.74, 5,107,761.70 and 2,445,590.81 is: 3,373,439.58
Step by Step Solution
- Step 1: Write the proportion equation
3,702,895.74 : 5,107,761.70 = 2,445,590.81 : x - Step 2: Convert to fraction form
3,702,895.74/5,107,761.70 = 2,445,590.81/x - Step 3: Cross multiply
3,702,895.74x = 5,107,761.70 × 2,445,590.81 - Step 4: Simplify right side
3,702,895.74x = 12,491,495,041,537.19 - Step 5: Solve for x
x = 12,491,495,041,537.19/3,702,895.74 - Step 6: Final answer
x = 3,373,439.58
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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.