Finding the Fourth Proportional to 4,610,668.05, 6,916,334.18 and 1,770,780.17
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Solution
The fourth proportional to 4,610,668.05, 6,916,334.18 and 1,770,780.17 is: 2,656,297.81
Step by Step Solution
- Step 1: Write the proportion equation
4,610,668.05 : 6,916,334.18 = 1,770,780.17 : x - Step 2: Convert to fraction form
4,610,668.05/6,916,334.18 = 1,770,780.17/x - Step 3: Cross multiply
4,610,668.05x = 6,916,334.18 × 1,770,780.17 - Step 4: Simplify right side
4,610,668.05x = 12,247,307,423,474.15 - Step 5: Solve for x
x = 12,247,307,423,474.15/4,610,668.05 - Step 6: Final answer
x = 2,656,297.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.