Finding the Fourth Proportional to 5,204,960.84, 7,183,070.46 and 2,881,853.36
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Solution
The fourth proportional to 5,204,960.84, 7,183,070.46 and 2,881,853.36 is: 3,977,081.94
Step by Step Solution
- Step 1: Write the proportion equation
5,204,960.84 : 7,183,070.46 = 2,881,853.36 : x - Step 2: Convert to fraction form
5,204,960.84/7,183,070.46 = 2,881,853.36/x - Step 3: Cross multiply
5,204,960.84x = 7,183,070.46 × 2,881,853.36 - Step 4: Simplify right side
5,204,960.84x = 20,700,555,740,267.75 - Step 5: Solve for x
x = 20,700,555,740,267.75/5,204,960.84 - Step 6: Final answer
x = 3,977,081.94
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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.