Finding the Fourth Proportional to 5,716,211.58, 7,888,167.88 and 3,235,379.02
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Solution
The fourth proportional to 5,716,211.58, 7,888,167.88 and 3,235,379.02 is: 4,464,707.53
Step by Step Solution
- Step 1: Write the proportion equation
5,716,211.58 : 7,888,167.88 = 3,235,379.02 : x - Step 2: Convert to fraction form
5,716,211.58/7,888,167.88 = 3,235,379.02/x - Step 3: Cross multiply
5,716,211.58x = 7,888,167.88 × 3,235,379.02 - Step 4: Simplify right side
5,716,211.58x = 25,521,212,865,189.88 - Step 5: Solve for x
x = 25,521,212,865,189.88/5,716,211.58 - Step 6: Final answer
x = 4,464,707.53
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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.