Finding the Fourth Proportional to 5,078,817.46, 7,618,078.44 and 1,484,668.84
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Solution
The fourth proportional to 5,078,817.46, 7,618,078.44 and 1,484,668.84 is: 2,226,960.07
Step by Step Solution
- Step 1: Write the proportion equation
5,078,817.46 : 7,618,078.44 = 1,484,668.84 : x - Step 2: Convert to fraction form
5,078,817.46/7,618,078.44 = 1,484,668.84/x - Step 3: Cross multiply
5,078,817.46x = 7,618,078.44 × 1,484,668.84 - Step 4: Simplify right side
5,078,817.46x = 11,310,323,680,543.81 - Step 5: Solve for x
x = 11,310,323,680,543.81/5,078,817.46 - Step 6: Final answer
x = 2,226,960.07
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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.