Finding the Fourth Proportional to 5,381,592.12, 7,426,655.04 and 2,934,183.12
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Solution
The fourth proportional to 5,381,592.12, 7,426,655.04 and 2,934,183.12 is: 4,049,204.28
Step by Step Solution
- Step 1: Write the proportion equation
5,381,592.12 : 7,426,655.04 = 2,934,183.12 : x - Step 2: Convert to fraction form
5,381,592.12/7,426,655.04 = 2,934,183.12/x - Step 3: Cross multiply
5,381,592.12x = 7,426,655.04 × 2,934,183.12 - Step 4: Simplify right side
5,381,592.12x = 21,791,165,856,430.93 - Step 5: Solve for x
x = 21,791,165,856,430.93/5,381,592.12 - Step 6: Final answer
x = 4,049,204.28
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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.