Finding the Fourth Proportional to 4,428,496.70, 6,642,745.05 and 1,588,239.80
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Solution
The fourth proportional to 4,428,496.70, 6,642,745.05 and 1,588,239.80 is: 2,382,359.70
Step by Step Solution
- Step 1: Write the proportion equation
4,428,496.70 : 6,642,745.05 = 1,588,239.80 : x - Step 2: Convert to fraction form
4,428,496.70/6,642,745.05 = 1,588,239.80/x - Step 3: Cross multiply
4,428,496.70x = 6,642,745.05 × 1,588,239.80 - Step 4: Simplify right side
4,428,496.70x = 10,550,272,069,662.99 - Step 5: Solve for x
x = 10,550,272,069,662.99/4,428,496.70 - Step 6: Final answer
x = 2,382,359.70
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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.