Finding the Fourth Proportional to 5,029,580.64, 6,940,977.84 and 2,737,894.08
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Solution
The fourth proportional to 5,029,580.64, 6,940,977.84 and 2,737,894.08 is: 3,778,379.05
Step by Step Solution
- Step 1: Write the proportion equation
5,029,580.64 : 6,940,977.84 = 2,737,894.08 : x - Step 2: Convert to fraction form
5,029,580.64/6,940,977.84 = 2,737,894.08/x - Step 3: Cross multiply
5,029,580.64x = 6,940,977.84 × 2,737,894.08 - Step 4: Simplify right side
5,029,580.64x = 19,003,662,137,547.19 - Step 5: Solve for x
x = 19,003,662,137,547.19/5,029,580.64 - Step 6: Final answer
x = 3,778,379.05
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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.