Finding the Fourth Proportional to 3,926,270.75, 5,889,406.12 and 1,230,610.12
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Solution
The fourth proportional to 3,926,270.75, 5,889,406.12 and 1,230,610.12 is: 1,845,915.18
Step by Step Solution
- Step 1: Write the proportion equation
3,926,270.75 : 5,889,406.12 = 1,230,610.12 : x - Step 2: Convert to fraction form
3,926,270.75/5,889,406.12 = 1,230,610.12/x - Step 3: Cross multiply
3,926,270.75x = 5,889,406.12 × 1,230,610.12 - Step 4: Simplify right side
3,926,270.75x = 7,247,562,754,261.89 - Step 5: Solve for x
x = 7,247,562,754,261.89/3,926,270.75 - Step 6: Final answer
x = 1,845,915.18
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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.