Finding the Fourth Proportional to 5,328,841.98, 7,993,887.64 and 1,869,524.06
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Solution
The fourth proportional to 5,328,841.98, 7,993,887.64 and 1,869,524.06 is: 2,804,505.23
Step by Step Solution
- Step 1: Write the proportion equation
5,328,841.98 : 7,993,887.64 = 1,869,524.06 : x - Step 2: Convert to fraction form
5,328,841.98/7,993,887.64 = 1,869,524.06/x - Step 3: Cross multiply
5,328,841.98x = 7,993,887.64 × 1,869,524.06 - Step 4: Simplify right side
5,328,841.98x = 14,944,765,231,273.37 - Step 5: Solve for x
x = 14,944,765,231,273.37/5,328,841.98 - Step 6: Final answer
x = 2,804,505.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.