Finding the Fourth Proportional to 2,986,252.40, 4,120,850.70 and 1,696,913.84
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Solution
The fourth proportional to 2,986,252.40, 4,120,850.70 and 1,696,913.84 is: 2,341,640.17
Step by Step Solution
- Step 1: Write the proportion equation
2,986,252.40 : 4,120,850.70 = 1,696,913.84 : x - Step 2: Convert to fraction form
2,986,252.40/4,120,850.70 = 1,696,913.84/x - Step 3: Cross multiply
2,986,252.40x = 4,120,850.70 × 1,696,913.84 - Step 4: Simplify right side
2,986,252.40x = 6,992,728,585,403.69 - Step 5: Solve for x
x = 6,992,728,585,403.69/2,986,252.40 - Step 6: Final answer
x = 2,341,640.17
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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.