Finding the Fourth Proportional to 5,754,564.74, 7,940,113.88 and 3,306,702.86
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Solution
The fourth proportional to 5,754,564.74, 7,940,113.88 and 3,306,702.86 is: 4,562,568.75
Step by Step Solution
- Step 1: Write the proportion equation
5,754,564.74 : 7,940,113.88 = 3,306,702.86 : x - Step 2: Convert to fraction form
5,754,564.74/7,940,113.88 = 3,306,702.86/x - Step 3: Cross multiply
5,754,564.74x = 7,940,113.88 × 3,306,702.86 - Step 4: Simplify right side
5,754,564.74x = 26,255,597,275,721.70 - Step 5: Solve for x
x = 26,255,597,275,721.70/5,754,564.74 - Step 6: Final answer
x = 4,562,568.75
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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.