Finding the Fourth Proportional to 6,324,379.97, 8,727,664.09 and 3,423,763.99
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Solution
The fourth proportional to 6,324,379.97, 8,727,664.09 and 3,423,763.99 is: 4,724,804.99
Step by Step Solution
- Step 1: Write the proportion equation
6,324,379.97 : 8,727,664.09 = 3,423,763.99 : x - Step 2: Convert to fraction form
6,324,379.97/8,727,664.09 = 3,423,763.99/x - Step 3: Cross multiply
6,324,379.97x = 8,727,664.09 × 3,423,763.99 - Step 4: Simplify right side
6,324,379.97x = 29,881,462,036,927.85 - Step 5: Solve for x
x = 29,881,462,036,927.85/6,324,379.97 - Step 6: Final answer
x = 4,724,804.99
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1.5x scale
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.