Finding the Fourth Proportional to 5,522,373.18, 7,621,543.43 and 3,168,432.79
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Solution
The fourth proportional to 5,522,373.18, 7,621,543.43 and 3,168,432.79 is: 4,372,820.76
Step by Step Solution
- Step 1: Write the proportion equation
5,522,373.18 : 7,621,543.43 = 3,168,432.79 : x - Step 2: Convert to fraction form
5,522,373.18/7,621,543.43 = 3,168,432.79/x - Step 3: Cross multiply
5,522,373.18x = 7,621,543.43 × 3,168,432.79 - Step 4: Simplify right side
5,522,373.18x = 24,148,348,079,125.05 - Step 5: Solve for x
x = 24,148,348,079,125.05/5,522,373.18 - Step 6: Final answer
x = 4,372,820.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.