Finding the Fourth Proportional to 1,994,450.76, 2,752,558.74 and 1,230,484.68
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Solution
The fourth proportional to 1,994,450.76, 2,752,558.74 and 1,230,484.68 is: 1,698,202.55
Step by Step Solution
- Step 1: Write the proportion equation
1,994,450.76 : 2,752,558.74 = 1,230,484.68 : x - Step 2: Convert to fraction form
1,994,450.76/2,752,558.74 = 1,230,484.68/x - Step 3: Cross multiply
1,994,450.76x = 2,752,558.74 × 1,230,484.68 - Step 4: Simplify right side
1,994,450.76x = 3,386,981,360,370.10 - Step 5: Solve for x
x = 3,386,981,360,370.10/1,994,450.76 - Step 6: Final answer
x = 1,698,202.55
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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.