Finding the Fourth Proportional to 1,529,460.26, 2,107,541.32 and 1,183,192.46
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Solution
The fourth proportional to 1,529,460.26, 2,107,541.32 and 1,183,192.46 is: 1,630,396.72
Step by Step Solution
- Step 1: Write the proportion equation
1,529,460.26 : 2,107,541.32 = 1,183,192.46 : x - Step 2: Convert to fraction form
1,529,460.26/2,107,541.32 = 1,183,192.46/x - Step 3: Cross multiply
1,529,460.26x = 2,107,541.32 × 1,183,192.46 - Step 4: Simplify right side
1,529,460.26x = 2,493,626,985,466.76 - Step 5: Solve for x
x = 2,493,626,985,466.76/1,529,460.26 - Step 6: Final answer
x = 1,630,396.72
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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.