Finding the Fourth Proportional to 4,591,447.74, 6,334,486.47 and 2,871,914.94
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Solution
The fourth proportional to 4,591,447.74, 6,334,486.47 and 2,871,914.94 is: 3,962,172.14
Step by Step Solution
- Step 1: Write the proportion equation
4,591,447.74 : 6,334,486.47 = 2,871,914.94 : x - Step 2: Convert to fraction form
4,591,447.74/6,334,486.47 = 2,871,914.94/x - Step 3: Cross multiply
4,591,447.74x = 6,334,486.47 × 2,871,914.94 - Step 4: Simplify right side
4,591,447.74x = 18,192,106,330,420.86 - Step 5: Solve for x
x = 18,192,106,330,420.86/4,591,447.74 - Step 6: Final answer
x = 3,962,172.14
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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.