Finding the Fourth Proportional to 3,520,811.68, 4,858,797.36 and 2,144,219.92
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Solution
The fourth proportional to 3,520,811.68, 4,858,797.36 and 2,144,219.92 is: 2,959,070.53
Step by Step Solution
- Step 1: Write the proportion equation
3,520,811.68 : 4,858,797.36 = 2,144,219.92 : x - Step 2: Convert to fraction form
3,520,811.68/4,858,797.36 = 2,144,219.92/x - Step 3: Cross multiply
3,520,811.68x = 4,858,797.36 × 2,144,219.92 - Step 4: Simplify right side
3,520,811.68x = 10,418,330,086,555.41 - Step 5: Solve for x
x = 10,418,330,086,555.41/3,520,811.68 - Step 6: Final answer
x = 2,959,070.53
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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.