Finding the Fourth Proportional to 6,505,608.75, 8,977,792.85 and 3,605,048.09
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Solution
The fourth proportional to 6,505,608.75, 8,977,792.85 and 3,605,048.09 is: 4,974,995.61
Step by Step Solution
- Step 1: Write the proportion equation
6,505,608.75 : 8,977,792.85 = 3,605,048.09 : x - Step 2: Convert to fraction form
6,505,608.75/8,977,792.85 = 3,605,048.09/x - Step 3: Cross multiply
6,505,608.75x = 8,977,792.85 × 3,605,048.09 - Step 4: Simplify right side
6,505,608.75x = 32,365,374,966,308.15 - Step 5: Solve for x
x = 32,365,374,966,308.15/6,505,608.75 - Step 6: Final answer
x = 4,974,995.61
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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.