Finding the Fourth Proportional to 4,945,554.38, 6,824,864.42 and 3,011,814.44
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Solution
The fourth proportional to 4,945,554.38, 6,824,864.42 and 3,011,814.44 is: 4,156,303.55
Step by Step Solution
- Step 1: Write the proportion equation
4,945,554.38 : 6,824,864.42 = 3,011,814.44 : x - Step 2: Convert to fraction form
4,945,554.38/6,824,864.42 = 3,011,814.44/x - Step 3: Cross multiply
4,945,554.38x = 6,824,864.42 × 3,011,814.44 - Step 4: Simplify right side
4,945,554.38x = 20,555,225,211,198.22 - Step 5: Solve for x
x = 20,555,225,211,198.22/4,945,554.38 - Step 6: Final answer
x = 4,156,303.55
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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.