Finding the Fourth Proportional to 3,967,437.76, 5,477,700.64 and 3,048,029.44
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Solution
The fourth proportional to 3,967,437.76, 5,477,700.64 and 3,048,029.44 is: 4,208,306.17
Step by Step Solution
- Step 1: Write the proportion equation
3,967,437.76 : 5,477,700.64 = 3,048,029.44 : x - Step 2: Convert to fraction form
3,967,437.76/5,477,700.64 = 3,048,029.44/x - Step 3: Cross multiply
3,967,437.76x = 5,477,700.64 × 3,048,029.44 - Step 4: Simplify right side
3,967,437.76x = 16,696,192,814,226.84 - Step 5: Solve for x
x = 16,696,192,814,226.84/3,967,437.76 - Step 6: Final answer
x = 4,208,306.17
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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.