Finding the Fourth Proportional to 4,686,897.08, 7,028,891.84 and 1,653,553.60
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Solution
The fourth proportional to 4,686,897.08, 7,028,891.84 and 1,653,553.60 is: 2,479,817.50
Step by Step Solution
- Step 1: Write the proportion equation
4,686,897.08 : 7,028,891.84 = 1,653,553.60 : x - Step 2: Convert to fraction form
4,686,897.08/7,028,891.84 = 1,653,553.60/x - Step 3: Cross multiply
4,686,897.08x = 7,028,891.84 × 1,653,553.60 - Step 4: Simplify right side
4,686,897.08x = 11,622,649,392,313.25 - Step 5: Solve for x
x = 11,622,649,392,313.25/4,686,897.08 - Step 6: Final answer
x = 2,479,817.50
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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.