Finding the Fourth Proportional to 3,134,266.62, 4,323,455.42 and 1,970,871.62
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Solution
The fourth proportional to 3,134,266.62, 4,323,455.42 and 1,970,871.62 is: 2,718,650.52
Step by Step Solution
- Step 1: Write the proportion equation
3,134,266.62 : 4,323,455.42 = 1,970,871.62 : x - Step 2: Convert to fraction form
3,134,266.62/4,323,455.42 = 1,970,871.62/x - Step 3: Cross multiply
3,134,266.62x = 4,323,455.42 × 1,970,871.62 - Step 4: Simplify right side
3,134,266.62x = 8,520,975,598,163.78 - Step 5: Solve for x
x = 8,520,975,598,163.78/3,134,266.62 - Step 6: Final answer
x = 2,718,650.52
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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.