Finding the Fourth Proportional to 3,440,596.60, 4,748,745.70 and 2,182,470.18
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Solution
The fourth proportional to 3,440,596.60, 4,748,745.70 and 2,182,470.18 is: 3,012,267.08
Step by Step Solution
- Step 1: Write the proportion equation
3,440,596.60 : 4,748,745.70 = 2,182,470.18 : x - Step 2: Convert to fraction form
3,440,596.60/4,748,745.70 = 2,182,470.18/x - Step 3: Cross multiply
3,440,596.60x = 4,748,745.70 × 2,182,470.18 - Step 4: Simplify right side
3,440,596.60x = 10,363,995,882,653.23 - Step 5: Solve for x
x = 10,363,995,882,653.23/3,440,596.60 - Step 6: Final answer
x = 3,012,267.08
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1.5x scale
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.