Finding the Fourth Proportional to 1,529,460.38, 2,107,541.49 and 1,183,192.58
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Solution
The fourth proportional to 1,529,460.38, 2,107,541.49 and 1,183,192.58 is: 1,630,396.89
Step by Step Solution
- Step 1: Write the proportion equation
1,529,460.38 : 2,107,541.49 = 1,183,192.58 : x - Step 2: Convert to fraction form
1,529,460.38/2,107,541.49 = 1,183,192.58/x - Step 3: Cross multiply
1,529,460.38x = 2,107,541.49 × 1,183,192.58 - Step 4: Simplify right side
1,529,460.38x = 2,493,627,453,010.14 - Step 5: Solve for x
x = 2,493,627,453,010.14/1,529,460.38 - Step 6: Final answer
x = 1,630,396.89
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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.