Finding the Fourth Proportional to 6,672,631.06, 9,206,464.77 and 3,918,438.08
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Solution
The fourth proportional to 6,672,631.06, 9,206,464.77 and 3,918,438.08 is: 5,406,407.43
Step by Step Solution
- Step 1: Write the proportion equation
6,672,631.06 : 9,206,464.77 = 3,918,438.08 : x - Step 2: Convert to fraction form
6,672,631.06/9,206,464.77 = 3,918,438.08/x - Step 3: Cross multiply
6,672,631.06x = 9,206,464.77 × 3,918,438.08 - Step 4: Simplify right side
6,672,631.06x = 36,074,962,117,354.26 - Step 5: Solve for x
x = 36,074,962,117,354.26/6,672,631.06 - Step 6: Final answer
x = 5,406,407.43
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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.