Finding the Fourth Proportional to 2,912,489.92, 4,365,579.12 and 1,490,596.48
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Solution
The fourth proportional to 2,912,489.92, 4,365,579.12 and 1,490,596.48 is: 2,234,279.62
Step by Step Solution
- Step 1: Write the proportion equation
2,912,489.92 : 4,365,579.12 = 1,490,596.48 : x - Step 2: Convert to fraction form
2,912,489.92/4,365,579.12 = 1,490,596.48/x - Step 3: Cross multiply
2,912,489.92x = 4,365,579.12 × 1,490,596.48 - Step 4: Simplify right side
2,912,489.92x = 6,507,316,869,433.50 - Step 5: Solve for x
x = 6,507,316,869,433.50/2,912,489.92 - Step 6: Final answer
x = 2,234,279.62
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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.