Finding the Fourth Proportional to 4,969,756.48, 6,841,338.96 and 3,678,162.88
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Solution
The fourth proportional to 4,969,756.48, 6,841,338.96 and 3,678,162.88 is: 5,063,338.44
Step by Step Solution
- Step 1: Write the proportion equation
4,969,756.48 : 6,841,338.96 = 3,678,162.88 : x - Step 2: Convert to fraction form
4,969,756.48/6,841,338.96 = 3,678,162.88/x - Step 3: Cross multiply
4,969,756.48x = 6,841,338.96 × 3,678,162.88 - Step 4: Simplify right side
4,969,756.48x = 25,163,559,012,169.80 - Step 5: Solve for x
x = 25,163,559,012,169.80/4,969,756.48 - Step 6: Final answer
x = 5,063,338.44
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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.