Finding the Fourth Proportional to 6,673,748.18, 9,209,845.04 and 3,920,551.66
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Solution
The fourth proportional to 6,673,748.18, 9,209,845.04 and 3,920,551.66 is: 5,410,403.90
Step by Step Solution
- Step 1: Write the proportion equation
6,673,748.18 : 9,209,845.04 = 3,920,551.66 : x - Step 2: Convert to fraction form
6,673,748.18/9,209,845.04 = 3,920,551.66/x - Step 3: Cross multiply
6,673,748.18x = 9,209,845.04 × 3,920,551.66 - Step 4: Simplify right side
6,673,748.18x = 36,107,673,217,287.40 - Step 5: Solve for x
x = 36,107,673,217,287.40/6,673,748.18 - Step 6: Final answer
x = 5,410,403.90
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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.