Finding the Fourth Proportional to 2,205,308.52, 3,043,286.16 and 1,225,251.99
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Solution
The fourth proportional to 2,205,308.52, 3,043,286.16 and 1,225,251.99 is: 1,690,825.75
Step by Step Solution
- Step 1: Write the proportion equation
2,205,308.52 : 3,043,286.16 = 1,225,251.99 : x - Step 2: Convert to fraction form
2,205,308.52/3,043,286.16 = 1,225,251.99/x - Step 3: Cross multiply
2,205,308.52x = 3,043,286.16 × 1,225,251.99 - Step 4: Simplify right side
2,205,308.52x = 3,728,792,423,679.46 - Step 5: Solve for x
x = 3,728,792,423,679.46/2,205,308.52 - Step 6: Final answer
x = 1,690,825.75
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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.