Finding the Fourth Proportional to 4,488,821.48, 6,734,179.01 and 1,455,951.80
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Solution
The fourth proportional to 4,488,821.48, 6,734,179.01 and 1,455,951.80 is: 2,184,234.79
Step by Step Solution
- Step 1: Write the proportion equation
4,488,821.48 : 6,734,179.01 = 1,455,951.80 : x - Step 2: Convert to fraction form
4,488,821.48/6,734,179.01 = 1,455,951.80/x - Step 3: Cross multiply
4,488,821.48x = 6,734,179.01 × 1,455,951.80 - Step 4: Simplify right side
4,488,821.48x = 9,804,640,021,100.70 - Step 5: Solve for x
x = 9,804,640,021,100.70/4,488,821.48 - Step 6: Final answer
x = 2,184,234.79
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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.