Finding the Fourth Proportional to 5,447,186.40, 8,170,779.60 and 4,849,989.60
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Solution
The fourth proportional to 5,447,186.40, 8,170,779.60 and 4,849,989.60 is: 7,274,984.40
Step by Step Solution
- Step 1: Write the proportion equation
5,447,186.40 : 8,170,779.60 = 4,849,989.60 : x - Step 2: Convert to fraction form
5,447,186.40/8,170,779.60 = 4,849,989.60/x - Step 3: Cross multiply
5,447,186.40x = 8,170,779.60 × 4,849,989.60 - Step 4: Simplify right side
5,447,186.40x = 39,628,196,083,892.16 - Step 5: Solve for x
x = 39,628,196,083,892.16/5,447,186.40 - Step 6: Final answer
x = 7,274,984.40
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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.