Finding the Fourth Proportional to 3,407,996.52, 5,110,491.06 and 1,276,585.20
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Solution
The fourth proportional to 3,407,996.52, 5,110,491.06 and 1,276,585.20 is: 1,914,314.53
Step by Step Solution
- Step 1: Write the proportion equation
3,407,996.52 : 5,110,491.06 = 1,276,585.20 : x - Step 2: Convert to fraction form
3,407,996.52/5,110,491.06 = 1,276,585.20/x - Step 3: Cross multiply
3,407,996.52x = 5,110,491.06 × 1,276,585.20 - Step 4: Simplify right side
3,407,996.52x = 6,523,977,251,928.31 - Step 5: Solve for x
x = 6,523,977,251,928.31/3,407,996.52 - Step 6: Final answer
x = 1,914,314.53
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.