Finding the Fourth Proportional to 1,946,102.40, 2,916,529.20 and 1,304,582.40
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Solution
The fourth proportional to 1,946,102.40, 2,916,529.20 and 1,304,582.40 is: 1,955,114.32
Step by Step Solution
- Step 1: Write the proportion equation
1,946,102.40 : 2,916,529.20 = 1,304,582.40 : x - Step 2: Convert to fraction form
1,946,102.40/2,916,529.20 = 1,304,582.40/x - Step 3: Cross multiply
1,946,102.40x = 2,916,529.20 × 1,304,582.40 - Step 4: Simplify right side
1,946,102.40x = 3,804,852,663,406.08 - Step 5: Solve for x
x = 3,804,852,663,406.08/1,946,102.40 - Step 6: Final answer
x = 1,955,114.32
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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.