Finding the Fourth Proportional to 5,068,730.46, 6,994,790.11 and 2,745,579.18
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Solution
The fourth proportional to 5,068,730.46, 6,994,790.11 and 2,745,579.18 is: 3,788,867.89
Step by Step Solution
- Step 1: Write the proportion equation
5,068,730.46 : 6,994,790.11 = 2,745,579.18 : x - Step 2: Convert to fraction form
5,068,730.46/6,994,790.11 = 2,745,579.18/x - Step 3: Cross multiply
5,068,730.46x = 6,994,790.11 × 2,745,579.18 - Step 4: Simplify right side
5,068,730.46x = 19,204,750,094,485.91 - Step 5: Solve for x
x = 19,204,750,094,485.91/5,068,730.46 - Step 6: Final answer
x = 3,788,867.89
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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.