Finding the Fourth Proportional to 6,398,245.48, 8,829,579.42 and 3,497,649.28
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Solution
The fourth proportional to 6,398,245.48, 8,829,579.42 and 3,497,649.28 is: 4,826,756.37
Step by Step Solution
- Step 1: Write the proportion equation
6,398,245.48 : 8,829,579.42 = 3,497,649.28 : x - Step 2: Convert to fraction form
6,398,245.48/8,829,579.42 = 3,497,649.28/x - Step 3: Cross multiply
6,398,245.48x = 8,829,579.42 × 3,497,649.28 - Step 4: Simplify right side
6,398,245.48x = 30,882,772,101,065.82 - Step 5: Solve for x
x = 30,882,772,101,065.82/6,398,245.48 - Step 6: Final answer
x = 4,826,756.37
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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.