Finding the Fourth Proportional to 5,432,912.96, 7,497,051.20 and 2,985,695.04
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Solution
The fourth proportional to 5,432,912.96, 7,497,051.20 and 2,985,695.04 is: 4,120,056.54
Step by Step Solution
- Step 1: Write the proportion equation
5,432,912.96 : 7,497,051.20 = 2,985,695.04 : x - Step 2: Convert to fraction form
5,432,912.96/7,497,051.20 = 2,985,695.04/x - Step 3: Cross multiply
5,432,912.96x = 7,497,051.20 × 2,985,695.04 - Step 4: Simplify right side
5,432,912.96x = 22,383,908,582,466.05 - Step 5: Solve for x
x = 22,383,908,582,466.05/5,432,912.96 - Step 6: Final answer
x = 4,120,056.54
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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.