Finding the Fourth Proportional to 3,881,766.02, 5,356,858.36 and 2,251,140.19
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Solution
The fourth proportional to 3,881,766.02, 5,356,858.36 and 2,251,140.19 is: 3,106,585.79
Step by Step Solution
- Step 1: Write the proportion equation
3,881,766.02 : 5,356,858.36 = 2,251,140.19 : x - Step 2: Convert to fraction form
3,881,766.02/5,356,858.36 = 2,251,140.19/x - Step 3: Cross multiply
3,881,766.02x = 5,356,858.36 × 2,251,140.19 - Step 4: Simplify right side
3,881,766.02x = 12,059,039,146,333.49 - Step 5: Solve for x
x = 12,059,039,146,333.49/3,881,766.02 - Step 6: Final answer
x = 3,106,585.79
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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.