Finding the Fourth Proportional to 1,892,552.96, 2,611,689.36 and 1,076,739.08
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Solution
The fourth proportional to 1,892,552.96, 2,611,689.36 and 1,076,739.08 is: 1,485,880.74
Step by Step Solution
- Step 1: Write the proportion equation
1,892,552.96 : 2,611,689.36 = 1,076,739.08 : x - Step 2: Convert to fraction form
1,892,552.96/2,611,689.36 = 1,076,739.08/x - Step 3: Cross multiply
1,892,552.96x = 2,611,689.36 × 1,076,739.08 - Step 4: Simplify right side
1,892,552.96x = 2,812,107,998,732.19 - Step 5: Solve for x
x = 2,812,107,998,732.19/1,892,552.96 - Step 6: Final answer
x = 1,485,880.74
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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.