Finding the Fourth Proportional to 2,184,405.70, 3,276,608.55 and 1,239,621.70
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Solution
The fourth proportional to 2,184,405.70, 3,276,608.55 and 1,239,621.70 is: 1,859,432.55
Step by Step Solution
- Step 1: Write the proportion equation
2,184,405.70 : 3,276,608.55 = 1,239,621.70 : x - Step 2: Convert to fraction form
2,184,405.70/3,276,608.55 = 1,239,621.70/x - Step 3: Cross multiply
2,184,405.70x = 3,276,608.55 × 1,239,621.70 - Step 4: Simplify right side
2,184,405.70x = 4,061,755,060,985.53 - Step 5: Solve for x
x = 4,061,755,060,985.53/2,184,405.70 - Step 6: Final answer
x = 1,859,432.55
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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.