Finding the Fourth Proportional to 5,228,242.61, 7,835,683.63 and 4,217,841.05
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Solution
The fourth proportional to 5,228,242.61, 7,835,683.63 and 4,217,841.05 is: 6,321,372.31
Step by Step Solution
- Step 1: Write the proportion equation
5,228,242.61 : 7,835,683.63 = 4,217,841.05 : x - Step 2: Convert to fraction form
5,228,242.61/7,835,683.63 = 4,217,841.05/x - Step 3: Cross multiply
5,228,242.61x = 7,835,683.63 × 4,217,841.05 - Step 4: Simplify right side
5,228,242.61x = 33,049,668,019,703.99 - Step 5: Solve for x
x = 33,049,668,019,703.99/5,228,242.61 - Step 6: Final answer
x = 6,321,372.31
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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.