Finding the Fourth Proportional to 3,205,752.69, 4,423,938.62 and 1,755,536.79
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Solution
The fourth proportional to 3,205,752.69, 4,423,938.62 and 1,755,536.79 is: 2,422,640.72
Step by Step Solution
- Step 1: Write the proportion equation
3,205,752.69 : 4,423,938.62 = 1,755,536.79 : x - Step 2: Convert to fraction form
3,205,752.69/4,423,938.62 = 1,755,536.79/x - Step 3: Cross multiply
3,205,752.69x = 4,423,938.62 × 1,755,536.79 - Step 4: Simplify right side
3,205,752.69x = 7,766,386,995,334.15 - Step 5: Solve for x
x = 7,766,386,995,334.15/3,205,752.69 - Step 6: Final answer
x = 2,422,640.72
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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.