Finding the Fourth Proportional to 2,151,213.39, 2,968,617.06 and 1,184,350.95
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Solution
The fourth proportional to 2,151,213.39, 2,968,617.06 and 1,184,350.95 is: 1,634,372.70
Step by Step Solution
- Step 1: Write the proportion equation
2,151,213.39 : 2,968,617.06 = 1,184,350.95 : x - Step 2: Convert to fraction form
2,151,213.39/2,968,617.06 = 1,184,350.95/x - Step 3: Cross multiply
2,151,213.39x = 2,968,617.06 × 1,184,350.95 - Step 4: Simplify right side
2,151,213.39x = 3,515,884,435,197.21 - Step 5: Solve for x
x = 3,515,884,435,197.21/2,151,213.39 - Step 6: Final answer
x = 1,634,372.70
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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.