Finding the Fourth Proportional to 6,128,952.24, 8,458,338.21 and 3,375,639.12
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Solution
The fourth proportional to 6,128,952.24, 8,458,338.21 and 3,375,639.12 is: 4,658,593.54
Step by Step Solution
- Step 1: Write the proportion equation
6,128,952.24 : 8,458,338.21 = 3,375,639.12 : x - Step 2: Convert to fraction form
6,128,952.24/8,458,338.21 = 3,375,639.12/x - Step 3: Cross multiply
6,128,952.24x = 8,458,338.21 × 3,375,639.12 - Step 4: Simplify right side
6,128,952.24x = 28,552,297,292,696.89 - Step 5: Solve for x
x = 28,552,297,292,696.89/6,128,952.24 - Step 6: Final answer
x = 4,658,593.54
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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.