Finding the Fourth Proportional to 4,437,770.36, 6,122,479.38 and 3,279,010.28
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Solution
The fourth proportional to 4,437,770.36, 6,122,479.38 and 3,279,010.28 is: 4,523,819.67
Step by Step Solution
- Step 1: Write the proportion equation
4,437,770.36 : 6,122,479.38 = 3,279,010.28 : x - Step 2: Convert to fraction form
4,437,770.36/6,122,479.38 = 3,279,010.28/x - Step 3: Cross multiply
4,437,770.36x = 6,122,479.38 × 3,279,010.28 - Step 4: Simplify right side
4,437,770.36x = 20,075,672,826,108.02 - Step 5: Solve for x
x = 20,075,672,826,108.02/4,437,770.36 - Step 6: Final answer
x = 4,523,819.67
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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.