Finding the Fourth Proportional to 5,631,858.67, 7,771,918.08 and 3,184,950.13
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Solution
The fourth proportional to 5,631,858.67, 7,771,918.08 and 3,184,950.13 is: 4,395,204.67
Step by Step Solution
- Step 1: Write the proportion equation
5,631,858.67 : 7,771,918.08 = 3,184,950.13 : x - Step 2: Convert to fraction form
5,631,858.67/7,771,918.08 = 3,184,950.13/x - Step 3: Cross multiply
5,631,858.67x = 7,771,918.08 × 3,184,950.13 - Step 4: Simplify right side
5,631,858.67x = 24,753,171,499,245.35 - Step 5: Solve for x
x = 24,753,171,499,245.35/5,631,858.67 - Step 6: Final answer
x = 4,395,204.67
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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.