Finding the Fourth Proportional to 1,672,400.24, 2,308,869.60 and 1,101,101.12
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Solution
The fourth proportional to 1,672,400.24, 2,308,869.60 and 1,101,101.12 is: 1,520,149.81
Step by Step Solution
- Step 1: Write the proportion equation
1,672,400.24 : 2,308,869.60 = 1,101,101.12 : x - Step 2: Convert to fraction form
1,672,400.24/2,308,869.60 = 1,101,101.12/x - Step 3: Cross multiply
1,672,400.24x = 2,308,869.60 × 1,101,101.12 - Step 4: Simplify right side
1,672,400.24x = 2,542,298,902,493.95 - Step 5: Solve for x
x = 2,542,298,902,493.95/1,672,400.24 - Step 6: Final answer
x = 1,520,149.81
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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.