Finding the Fourth Proportional to 3,965,495.80, 5,948,558.84 and 1,691,039.62
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Solution
The fourth proportional to 3,965,495.80, 5,948,558.84 and 1,691,039.62 is: 2,536,693.81
Step by Step Solution
- Step 1: Write the proportion equation
3,965,495.80 : 5,948,558.84 = 1,691,039.62 : x - Step 2: Convert to fraction form
3,965,495.80/5,948,558.84 = 1,691,039.62/x - Step 3: Cross multiply
3,965,495.80x = 5,948,558.84 × 1,691,039.62 - Step 4: Simplify right side
3,965,495.80x = 10,059,248,642,143.25 - Step 5: Solve for x
x = 10,059,248,642,143.25/3,965,495.80 - Step 6: Final answer
x = 2,536,693.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.