Finding the Fourth Proportional to 3,523,981.44, 5,286,320.64 and 1,127,224.32
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Solution
The fourth proportional to 3,523,981.44, 5,286,320.64 and 1,127,224.32 is: 1,690,947.95
Step by Step Solution
- Step 1: Write the proportion equation
3,523,981.44 : 5,286,320.64 = 1,127,224.32 : x - Step 2: Convert to fraction form
3,523,981.44/5,286,320.64 = 1,127,224.32/x - Step 3: Cross multiply
3,523,981.44x = 5,286,320.64 × 1,127,224.32 - Step 4: Simplify right side
3,523,981.44x = 5,958,869,188,725.97 - Step 5: Solve for x
x = 5,958,869,188,725.97/3,523,981.44 - Step 6: Final answer
x = 1,690,947.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.