Finding the Fourth Proportional to 7,410,764.19, 10,226,853.07 and 4,147,578.75
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Solution
The fourth proportional to 7,410,764.19, 10,226,853.07 and 4,147,578.75 is: 5,723,657.83
Step by Step Solution
- Step 1: Write the proportion equation
7,410,764.19 : 10,226,853.07 = 4,147,578.75 : x - Step 2: Convert to fraction form
7,410,764.19/10,226,853.07 = 4,147,578.75/x - Step 3: Cross multiply
7,410,764.19x = 10,226,853.07 × 4,147,578.75 - Step 4: Simplify right side
7,410,764.19x = 42,416,678,472,504.27 - Step 5: Solve for x
x = 42,416,678,472,504.27/7,410,764.19 - Step 6: Final answer
x = 5,723,657.83
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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.