Finding the Fourth Proportional to 1,868,533.62, 2,578,576.29 and 1,009,093.79
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Solution
The fourth proportional to 1,868,533.62, 2,578,576.29 and 1,009,093.79 is: 1,392,549.37
Step by Step Solution
- Step 1: Write the proportion equation
1,868,533.62 : 2,578,576.29 = 1,009,093.79 : x - Step 2: Convert to fraction form
1,868,533.62/2,578,576.29 = 1,009,093.79/x - Step 3: Cross multiply
1,868,533.62x = 2,578,576.29 × 1,009,093.79 - Step 4: Simplify right side
1,868,533.62x = 2,602,025,321,280.24 - Step 5: Solve for x
x = 2,602,025,321,280.24/1,868,533.62 - Step 6: Final answer
x = 1,392,549.37
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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.