Finding the Fourth Proportional to 1,639,613.08, 2,443,119.62 and 1,460,745.64
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Solution
The fourth proportional to 1,639,613.08, 2,443,119.62 and 1,460,745.64 is: 2,176,596.65
Step by Step Solution
- Step 1: Write the proportion equation
1,639,613.08 : 2,443,119.62 = 1,460,745.64 : x - Step 2: Convert to fraction form
1,639,613.08/2,443,119.62 = 1,460,745.64/x - Step 3: Cross multiply
1,639,613.08x = 2,443,119.62 × 1,460,745.64 - Step 4: Simplify right side
1,639,613.08x = 3,568,776,332,913.46 - Step 5: Solve for x
x = 3,568,776,332,913.46/1,639,613.08 - Step 6: Final answer
x = 2,176,596.65
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.