Finding the Fourth Proportional to 2,530,639.26, 3,492,278.42 and 1,369,081.71
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Solution
The fourth proportional to 2,530,639.26, 3,492,278.42 and 1,369,081.71 is: 1,889,330.72
Step by Step Solution
- Step 1: Write the proportion equation
2,530,639.26 : 3,492,278.42 = 1,369,081.71 : x - Step 2: Convert to fraction form
2,530,639.26/3,492,278.42 = 1,369,081.71/x - Step 3: Cross multiply
2,530,639.26x = 3,492,278.42 × 1,369,081.71 - Step 4: Simplify right side
2,530,639.26x = 4,781,214,504,204.29 - Step 5: Solve for x
x = 4,781,214,504,204.29/2,530,639.26 - Step 6: Final answer
x = 1,889,330.72
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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.