Finding the Fourth Proportional to 4,967,991.12, 7,451,986.68 and 1,602,198.12
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Solution
The fourth proportional to 4,967,991.12, 7,451,986.68 and 1,602,198.12 is: 2,403,297.18
Step by Step Solution
- Step 1: Write the proportion equation
4,967,991.12 : 7,451,986.68 = 1,602,198.12 : x - Step 2: Convert to fraction form
4,967,991.12/7,451,986.68 = 1,602,198.12/x - Step 3: Cross multiply
4,967,991.12x = 7,451,986.68 × 1,602,198.12 - Step 4: Simplify right side
4,967,991.12x = 11,939,559,048,961.04 - Step 5: Solve for x
x = 11,939,559,048,961.04/4,967,991.12 - Step 6: Final answer
x = 2,403,297.18
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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.