Finding the Fourth Proportional to 6,395,416.16, 8,825,789.77 and 3,494,929.28
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Solution
The fourth proportional to 6,395,416.16, 8,825,789.77 and 3,494,929.28 is: 4,823,065.50
Step by Step Solution
- Step 1: Write the proportion equation
6,395,416.16 : 8,825,789.77 = 3,494,929.28 : x - Step 2: Convert to fraction form
6,395,416.16/8,825,789.77 = 3,494,929.28/x - Step 3: Cross multiply
6,395,416.16x = 8,825,789.77 × 3,494,929.28 - Step 4: Simplify right side
6,395,416.16x = 30,845,511,033,431.19 - Step 5: Solve for x
x = 30,845,511,033,431.19/6,395,416.16 - Step 6: Final answer
x = 4,823,065.50
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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.