Finding the Fourth Proportional to 5,696,819.24, 7,861,620.50 and 3,118,501.64
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Solution
The fourth proportional to 5,696,819.24, 7,861,620.50 and 3,118,501.64 is: 4,303,537.71
Step by Step Solution
- Step 1: Write the proportion equation
5,696,819.24 : 7,861,620.50 = 3,118,501.64 : x - Step 2: Convert to fraction form
5,696,819.24/7,861,620.50 = 3,118,501.64/x - Step 3: Cross multiply
5,696,819.24x = 7,861,620.50 × 3,118,501.64 - Step 4: Simplify right side
5,696,819.24x = 24,516,476,422,307.62 - Step 5: Solve for x
x = 24,516,476,422,307.62/5,696,819.24 - Step 6: Final answer
x = 4,303,537.71
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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.