Finding the Fourth Proportional to 1,641,363.97, 2,265,274.47 and 1,365,234.70
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Solution
The fourth proportional to 1,641,363.97, 2,265,274.47 and 1,365,234.70 is: 1,884,183.74
Step by Step Solution
- Step 1: Write the proportion equation
1,641,363.97 : 2,265,274.47 = 1,365,234.70 : x - Step 2: Convert to fraction form
1,641,363.97/2,265,274.47 = 1,365,234.70/x - Step 3: Cross multiply
1,641,363.97x = 2,265,274.47 × 1,365,234.70 - Step 4: Simplify right side
1,641,363.97x = 3,092,631,311,468.11 - Step 5: Solve for x
x = 3,092,631,311,468.11/1,641,363.97 - Step 6: Final answer
x = 1,884,183.74
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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.