Finding the Fourth Proportional to 5,586,346.24, 7,709,487.68 and 4,207,257.60
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Solution
The fourth proportional to 5,586,346.24, 7,709,487.68 and 4,207,257.60 is: 5,806,263.92
Step by Step Solution
- Step 1: Write the proportion equation
5,586,346.24 : 7,709,487.68 = 4,207,257.60 : x - Step 2: Convert to fraction form
5,586,346.24/7,709,487.68 = 4,207,257.60/x - Step 3: Cross multiply
5,586,346.24x = 7,709,487.68 × 4,207,257.60 - Step 4: Simplify right side
5,586,346.24x = 32,435,800,633,786.36 - Step 5: Solve for x
x = 32,435,800,633,786.36/5,586,346.24 - Step 6: Final answer
x = 5,806,263.92
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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.