Finding the Fourth Proportional to 1,690,949.54, 2,332,451.48 and 1,110,202.62
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Solution
The fourth proportional to 1,690,949.54, 2,332,451.48 and 1,110,202.62 is: 1,531,384.40
Step by Step Solution
- Step 1: Write the proportion equation
1,690,949.54 : 2,332,451.48 = 1,110,202.62 : x - Step 2: Convert to fraction form
1,690,949.54/2,332,451.48 = 1,110,202.62/x - Step 3: Cross multiply
1,690,949.54x = 2,332,451.48 × 1,110,202.62 - Step 4: Simplify right side
1,690,949.54x = 2,589,493,744,118.88 - Step 5: Solve for x
x = 2,589,493,744,118.88/1,690,949.54 - Step 6: Final answer
x = 1,531,384.40
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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.