Finding the Fourth Proportional to 4,438,845.55, 6,661,768.74 and 2,279,783.26
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Solution
The fourth proportional to 4,438,845.55, 6,661,768.74 and 2,279,783.26 is: 3,421,472.70
Step by Step Solution
- Step 1: Write the proportion equation
4,438,845.55 : 6,661,768.74 = 2,279,783.26 : x - Step 2: Convert to fraction form
4,438,845.55/6,661,768.74 = 2,279,783.26/x - Step 3: Cross multiply
4,438,845.55x = 6,661,768.74 × 2,279,783.26 - Step 4: Simplify right side
4,438,845.55x = 15,187,388,855,443.29 - Step 5: Solve for x
x = 15,187,388,855,443.29/4,438,845.55 - Step 6: Final answer
x = 3,421,472.70
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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.