Finding the Fourth Proportional to 3,149,108.79, 4,724,412.72 and 1,019,192.91
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Solution
The fourth proportional to 3,149,108.79, 4,724,412.72 and 1,019,192.91 is: 1,529,031.95
Step by Step Solution
- Step 1: Write the proportion equation
3,149,108.79 : 4,724,412.72 = 1,019,192.91 : x - Step 2: Convert to fraction form
3,149,108.79/4,724,412.72 = 1,019,192.91/x - Step 3: Cross multiply
3,149,108.79x = 4,724,412.72 × 1,019,192.91 - Step 4: Simplify right side
3,149,108.79x = 4,815,087,948,137.82 - Step 5: Solve for x
x = 4,815,087,948,137.82/3,149,108.79 - Step 6: Final answer
x = 1,529,031.95
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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.