Finding the Fourth Proportional to 3,436,130.55, 4,741,730.27 and 1,908,336.09
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Solution
The fourth proportional to 3,436,130.55, 4,741,730.27 and 1,908,336.09 is: 2,633,431.66
Step by Step Solution
- Step 1: Write the proportion equation
3,436,130.55 : 4,741,730.27 = 1,908,336.09 : x - Step 2: Convert to fraction form
3,436,130.55/4,741,730.27 = 1,908,336.09/x - Step 3: Cross multiply
3,436,130.55x = 4,741,730.27 × 1,908,336.09 - Step 4: Simplify right side
3,436,130.55x = 9,048,814,993,744.76 - Step 5: Solve for x
x = 9,048,814,993,744.76/3,436,130.55 - Step 6: Final answer
x = 2,633,431.66
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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.