Finding the Fourth Proportional to 5,742,961.49, 7,925,340.00 and 3,164,734.53
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Solution
The fourth proportional to 5,742,961.49, 7,925,340.00 and 3,164,734.53 is: 4,367,362.94
Step by Step Solution
- Step 1: Write the proportion equation
5,742,961.49 : 7,925,340.00 = 3,164,734.53 : x - Step 2: Convert to fraction form
5,742,961.49/7,925,340.00 = 3,164,734.53/x - Step 3: Cross multiply
5,742,961.49x = 7,925,340.00 × 3,164,734.53 - Step 4: Simplify right side
5,742,961.49x = 25,081,597,171,857.95 - Step 5: Solve for x
x = 25,081,597,171,857.95/5,742,961.49 - Step 6: Final answer
x = 4,367,362.94
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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.