Finding the Fourth Proportional to 3,419,102.76, 4,718,478.36 and 1,949,228.70
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Solution
The fourth proportional to 3,419,102.76, 4,718,478.36 and 1,949,228.70 is: 2,690,002.05
Step by Step Solution
- Step 1: Write the proportion equation
3,419,102.76 : 4,718,478.36 = 1,949,228.70 : x - Step 2: Convert to fraction form
3,419,102.76/4,718,478.36 = 1,949,228.70/x - Step 3: Cross multiply
3,419,102.76x = 4,718,478.36 × 1,949,228.70 - Step 4: Simplify right side
3,419,102.76x = 9,197,393,439,640.93 - Step 5: Solve for x
x = 9,197,393,439,640.93/3,419,102.76 - Step 6: Final answer
x = 2,690,002.05
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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.