Finding the Fourth Proportional to 2,890,492.99, 3,988,589.39 and 1,601,092.51
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Solution
The fourth proportional to 2,890,492.99, 3,988,589.39 and 1,601,092.51 is: 2,209,346.51
Step by Step Solution
- Step 1: Write the proportion equation
2,890,492.99 : 3,988,589.39 = 1,601,092.51 : x - Step 2: Convert to fraction form
2,890,492.99/3,988,589.39 = 1,601,092.51/x - Step 3: Cross multiply
2,890,492.99x = 3,988,589.39 × 1,601,092.51 - Step 4: Simplify right side
2,890,492.99x = 6,386,100,585,821.63 - Step 5: Solve for x
x = 6,386,100,585,821.63/2,890,492.99 - Step 6: Final answer
x = 2,209,346.51
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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.