Finding the Fourth Proportional to 3,891,755.85, 5,837,633.47 and 1,972,368.11
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Solution
The fourth proportional to 3,891,755.85, 5,837,633.47 and 1,972,368.11 is: 2,958,552.00
Step by Step Solution
- Step 1: Write the proportion equation
3,891,755.85 : 5,837,633.47 = 1,972,368.11 : x - Step 2: Convert to fraction form
3,891,755.85/5,837,633.47 = 1,972,368.11/x - Step 3: Cross multiply
3,891,755.85x = 5,837,633.47 × 1,972,368.11 - Step 4: Simplify right side
3,891,755.85x = 11,513,962,059,977.55 - Step 5: Solve for x
x = 11,513,962,059,977.55/3,891,755.85 - Step 6: Final answer
x = 2,958,552.00
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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.