Finding the Fourth Proportional to 3,305,938.74, 4,956,981.36 and 1,281,817.98
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Solution
The fourth proportional to 3,305,938.74, 4,956,981.36 and 1,281,817.98 is: 1,921,979.91
Step by Step Solution
- Step 1: Write the proportion equation
3,305,938.74 : 4,956,981.36 = 1,281,817.98 : x - Step 2: Convert to fraction form
3,305,938.74/4,956,981.36 = 1,281,817.98/x - Step 3: Cross multiply
3,305,938.74x = 4,956,981.36 × 1,281,817.98 - Step 4: Simplify right side
3,305,938.74x = 6,353,947,833,772.85 - Step 5: Solve for x
x = 6,353,947,833,772.85/3,305,938.74 - Step 6: Final answer
x = 1,921,979.91
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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.