Finding the Fourth Proportional to 3,017,359.84, 4,163,961.56 and 1,640,702.28
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Solution
The fourth proportional to 3,017,359.84, 4,163,961.56 and 1,640,702.28 is: 2,264,171.85
Step by Step Solution
- Step 1: Write the proportion equation
3,017,359.84 : 4,163,961.56 = 1,640,702.28 : x - Step 2: Convert to fraction form
3,017,359.84/4,163,961.56 = 1,640,702.28/x - Step 3: Cross multiply
3,017,359.84x = 4,163,961.56 × 1,640,702.28 - Step 4: Simplify right side
3,017,359.84x = 6,831,821,225,324.36 - Step 5: Solve for x
x = 6,831,821,225,324.36/3,017,359.84 - Step 6: Final answer
x = 2,264,171.85
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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.