Finding the Fourth Proportional to 3,205,518.67, 4,423,571.60 and 1,755,214.10
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Solution
The fourth proportional to 3,205,518.67, 4,423,571.60 and 1,755,214.10 is: 2,422,171.28
Step by Step Solution
- Step 1: Write the proportion equation
3,205,518.67 : 4,423,571.60 = 1,755,214.10 : x - Step 2: Convert to fraction form
3,205,518.67/4,423,571.60 = 1,755,214.10/x - Step 3: Cross multiply
3,205,518.67x = 4,423,571.60 × 1,755,214.10 - Step 4: Simplify right side
3,205,518.67x = 7,764,315,246,962.42 - Step 5: Solve for x
x = 7,764,315,246,962.42/3,205,518.67 - Step 6: Final answer
x = 2,422,171.28
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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.