Finding the Fourth Proportional to 3,205,309.65, 4,423,328.36 and 1,755,096.99
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Solution
The fourth proportional to 3,205,309.65, 4,423,328.36 and 1,755,096.99 is: 2,422,034.42
Step by Step Solution
- Step 1: Write the proportion equation
3,205,309.65 : 4,423,328.36 = 1,755,096.99 : x - Step 2: Convert to fraction form
3,205,309.65/4,423,328.36 = 1,755,096.99/x - Step 3: Cross multiply
3,205,309.65x = 4,423,328.36 × 1,755,096.99 - Step 4: Simplify right side
3,205,309.65x = 7,763,370,290,417.64 - Step 5: Solve for x
x = 7,763,370,290,417.64/3,205,309.65 - Step 6: Final answer
x = 2,422,034.42
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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.