Finding the Fourth Proportional to 4,921,083.19, 7,381,624.79 and 1,555,027.75
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Solution
The fourth proportional to 4,921,083.19, 7,381,624.79 and 1,555,027.75 is: 2,332,541.63
Step by Step Solution
- Step 1: Write the proportion equation
4,921,083.19 : 7,381,624.79 = 1,555,027.75 : x - Step 2: Convert to fraction form
4,921,083.19/7,381,624.79 = 1,555,027.75/x - Step 3: Cross multiply
4,921,083.19x = 7,381,624.79 × 1,555,027.75 - Step 4: Simplify right side
4,921,083.19x = 11,478,631,388,537.92 - Step 5: Solve for x
x = 11,478,631,388,537.92/4,921,083.19 - Step 6: Final answer
x = 2,332,541.63
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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.