Finding the Fourth Proportional to 4,219,279.88, 5,821,424.99 and 2,649,580.99
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Solution
The fourth proportional to 4,219,279.88, 5,821,424.99 and 2,649,580.99 is: 3,655,679.97
Step by Step Solution
- Step 1: Write the proportion equation
4,219,279.88 : 5,821,424.99 = 2,649,580.99 : x - Step 2: Convert to fraction form
4,219,279.88/5,821,424.99 = 2,649,580.99/x - Step 3: Cross multiply
4,219,279.88x = 5,821,424.99 × 2,649,580.99 - Step 4: Simplify right side
4,219,279.88x = 15,424,336,945,859.91 - Step 5: Solve for x
x = 15,424,336,945,859.91/4,219,279.88 - Step 6: Final answer
x = 3,655,679.97
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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.