Finding the Fourth Proportional to 4,916,005.16, 6,783,740.70 and 2,740,452.08
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Solution
The fourth proportional to 4,916,005.16, 6,783,740.70 and 2,740,452.08 is: 3,781,630.76
Step by Step Solution
- Step 1: Write the proportion equation
4,916,005.16 : 6,783,740.70 = 2,740,452.08 : x - Step 2: Convert to fraction form
4,916,005.16/6,783,740.70 = 2,740,452.08/x - Step 3: Cross multiply
4,916,005.16x = 6,783,740.70 × 2,740,452.08 - Step 4: Simplify right side
4,916,005.16x = 18,590,516,311,495.66 - Step 5: Solve for x
x = 18,590,516,311,495.66/4,916,005.16 - Step 6: Final answer
x = 3,781,630.76
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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.