Finding the Fourth Proportional to 3,670,052.15, 5,509,225.43 and 2,174,986.55
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Solution
The fourth proportional to 3,670,052.15, 5,509,225.43 and 2,174,986.55 is: 3,264,937.59
Step by Step Solution
- Step 1: Write the proportion equation
3,670,052.15 : 5,509,225.43 = 2,174,986.55 : x - Step 2: Convert to fraction form
3,670,052.15/5,509,225.43 = 2,174,986.55/x - Step 3: Cross multiply
3,670,052.15x = 5,509,225.43 × 2,174,986.55 - Step 4: Simplify right side
3,670,052.15x = 11,982,491,211,167.96 - Step 5: Solve for x
x = 11,982,491,211,167.96/3,670,052.15 - Step 6: Final answer
x = 3,264,937.59
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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.