Finding the Fourth Proportional to 7,728,088.49, 11,593,469.52 and 2,610,555.65
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Solution
The fourth proportional to 7,728,088.49, 11,593,469.52 and 2,610,555.65 is: 3,916,285.04
Step by Step Solution
- Step 1: Write the proportion equation
7,728,088.49 : 11,593,469.52 = 2,610,555.65 : x - Step 2: Convert to fraction form
7,728,088.49/11,593,469.52 = 2,610,555.65/x - Step 3: Cross multiply
7,728,088.49x = 11,593,469.52 × 2,610,555.65 - Step 4: Simplify right side
7,728,088.49x = 30,265,397,358,538.79 - Step 5: Solve for x
x = 30,265,397,358,538.79/7,728,088.49 - Step 6: Final answer
x = 3,916,285.04
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1.5x scale
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.