Finding the Fourth Proportional to 5,631,860.20, 7,771,920.14 and 3,184,951.64
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Solution
The fourth proportional to 5,631,860.20, 7,771,920.14 and 3,184,951.64 is: 4,395,206.72
Step by Step Solution
- Step 1: Write the proportion equation
5,631,860.20 : 7,771,920.14 = 3,184,951.64 : x - Step 2: Convert to fraction form
5,631,860.20/7,771,920.14 = 3,184,951.64/x - Step 3: Cross multiply
5,631,860.20x = 7,771,920.14 × 3,184,951.64 - Step 4: Simplify right side
5,631,860.20x = 24,753,189,795,842.03 - Step 5: Solve for x
x = 24,753,189,795,842.03/5,631,860.20 - Step 6: Final answer
x = 4,395,206.72
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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.