Finding the Fourth Proportional to 3,205,697.36, 4,423,916.76 and 1,755,369.68
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Solution
The fourth proportional to 3,205,697.36, 4,423,916.76 and 1,755,369.68 is: 2,422,439.95
Step by Step Solution
- Step 1: Write the proportion equation
3,205,697.36 : 4,423,916.76 = 1,755,369.68 : x - Step 2: Convert to fraction form
3,205,697.36/4,423,916.76 = 1,755,369.68/x - Step 3: Cross multiply
3,205,697.36x = 4,423,916.76 × 1,755,369.68 - Step 4: Simplify right side
3,205,697.36x = 7,765,609,347,347.84 - Step 5: Solve for x
x = 7,765,609,347,347.84/3,205,697.36 - Step 6: Final answer
x = 2,422,439.95
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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.