Finding the Fourth Proportional to 2,567,511.44, 3,543,276.36 and 1,421,591.60
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Solution
The fourth proportional to 2,567,511.44, 3,543,276.36 and 1,421,591.60 is: 1,961,857.63
Step by Step Solution
- Step 1: Write the proportion equation
2,567,511.44 : 3,543,276.36 = 1,421,591.60 : x - Step 2: Convert to fraction form
2,567,511.44/3,543,276.36 = 1,421,591.60/x - Step 3: Cross multiply
2,567,511.44x = 3,543,276.36 × 1,421,591.60 - Step 4: Simplify right side
2,567,511.44x = 5,037,091,909,854.58 - Step 5: Solve for x
x = 5,037,091,909,854.58/2,567,511.44 - Step 6: Final answer
x = 1,961,857.63
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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.