Finding the Fourth Proportional to 6,299,456.25, 8,695,936.76 and 4,235,668.05
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Solution
The fourth proportional to 6,299,456.25, 8,695,936.76 and 4,235,668.05 is: 5,847,028.70
Step by Step Solution
- Step 1: Write the proportion equation
6,299,456.25 : 8,695,936.76 = 4,235,668.05 : x - Step 2: Convert to fraction form
6,299,456.25/8,695,936.76 = 4,235,668.05/x - Step 3: Cross multiply
6,299,456.25x = 8,695,936.76 × 4,235,668.05 - Step 4: Simplify right side
6,299,456.25x = 36,833,101,477,974.18 - Step 5: Solve for x
x = 36,833,101,477,974.18/6,299,456.25 - Step 6: Final answer
x = 5,847,028.70
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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.