Finding the Fourth Proportional to 6,479,680.05, 8,941,936.33 and 3,726,237.48
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Solution
The fourth proportional to 6,479,680.05, 8,941,936.33 and 3,726,237.48 is: 5,142,194.99
Step by Step Solution
- Step 1: Write the proportion equation
6,479,680.05 : 8,941,936.33 = 3,726,237.48 : x - Step 2: Convert to fraction form
6,479,680.05/8,941,936.33 = 3,726,237.48/x - Step 3: Cross multiply
6,479,680.05x = 8,941,936.33 × 3,726,237.48 - Step 4: Simplify right side
6,479,680.05x = 33,319,778,297,083.49 - Step 5: Solve for x
x = 33,319,778,297,083.49/6,479,680.05 - Step 6: Final answer
x = 5,142,194.99
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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.