Finding the Fourth Proportional to 3,542,383.80, 5,313,181.86 and 1,267,816.20
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Solution
The fourth proportional to 3,542,383.80, 5,313,181.86 and 1,267,816.20 is: 1,901,583.34
Step by Step Solution
- Step 1: Write the proportion equation
3,542,383.80 : 5,313,181.86 = 1,267,816.20 : x - Step 2: Convert to fraction form
3,542,383.80/5,313,181.86 = 1,267,816.20/x - Step 3: Cross multiply
3,542,383.80x = 5,313,181.86 × 1,267,816.20 - Step 4: Simplify right side
3,542,383.80x = 6,736,138,035,654.13 - Step 5: Solve for x
x = 6,736,138,035,654.13/3,542,383.80 - Step 6: Final answer
x = 1,901,583.34
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1.5x scale
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.