Finding the Fourth Proportional to 4,619,561.99, 6,375,389.78 and 2,685,699.95
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Solution
The fourth proportional to 4,619,561.99, 6,375,389.78 and 2,685,699.95 is: 3,706,495.13
Step by Step Solution
- Step 1: Write the proportion equation
4,619,561.99 : 6,375,389.78 = 2,685,699.95 : x - Step 2: Convert to fraction form
4,619,561.99/6,375,389.78 = 2,685,699.95/x - Step 3: Cross multiply
4,619,561.99x = 6,375,389.78 × 2,685,699.95 - Step 4: Simplify right side
4,619,561.99x = 17,122,383,988,213.81 - Step 5: Solve for x
x = 17,122,383,988,213.81/4,619,561.99 - Step 6: Final answer
x = 3,706,495.13
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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.