Finding the Fourth Proportional to 4,198,796.12, 6,299,193.66 and 1,358,908.28
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Solution
The fourth proportional to 4,198,796.12, 6,299,193.66 and 1,358,908.28 is: 2,038,685.89
Step by Step Solution
- Step 1: Write the proportion equation
4,198,796.12 : 6,299,193.66 = 1,358,908.28 : x - Step 2: Convert to fraction form
4,198,796.12/6,299,193.66 = 1,358,908.28/x - Step 3: Cross multiply
4,198,796.12x = 6,299,193.66 × 1,358,908.28 - Step 4: Simplify right side
4,198,796.12x = 8,560,026,390,401.54 - Step 5: Solve for x
x = 8,560,026,390,401.54/4,198,796.12 - Step 6: Final answer
x = 2,038,685.89
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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.