Finding the Fourth Proportional to 5,187,326.54, 7,779,631.69 and 1,543,074.53
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Solution
The fourth proportional to 5,187,326.54, 7,779,631.69 and 1,543,074.53 is: 2,314,207.80
Step by Step Solution
- Step 1: Write the proportion equation
5,187,326.54 : 7,779,631.69 = 1,543,074.53 : x - Step 2: Convert to fraction form
5,187,326.54/7,779,631.69 = 1,543,074.53/x - Step 3: Cross multiply
5,187,326.54x = 7,779,631.69 × 1,543,074.53 - Step 4: Simplify right side
5,187,326.54x = 12,004,551,529,211.25 - Step 5: Solve for x
x = 12,004,551,529,211.25/5,187,326.54 - Step 6: Final answer
x = 2,314,207.80
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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.