Finding the Fourth Proportional to 3,443,984.64, 5,166,724.32 and 1,047,766.99
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Solution
The fourth proportional to 3,443,984.64, 5,166,724.32 and 1,047,766.99 is: 1,571,877.86
Step by Step Solution
- Step 1: Write the proportion equation
3,443,984.64 : 5,166,724.32 = 1,047,766.99 : x - Step 2: Convert to fraction form
3,443,984.64/5,166,724.32 = 1,047,766.99/x - Step 3: Cross multiply
3,443,984.64x = 5,166,724.32 × 1,047,766.99 - Step 4: Simplify right side
3,443,984.64x = 5,413,523,188,926.20 - Step 5: Solve for x
x = 5,413,523,188,926.20/3,443,984.64 - Step 6: Final answer
x = 1,571,877.86
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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.