Finding the Fourth Proportional to 4,000,326.12, 5,522,223.06 and 2,551,920.84
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Solution
The fourth proportional to 4,000,326.12, 5,522,223.06 and 2,551,920.84 is: 3,522,781.82
Step by Step Solution
- Step 1: Write the proportion equation
4,000,326.12 : 5,522,223.06 = 2,551,920.84 : x - Step 2: Convert to fraction form
4,000,326.12/5,522,223.06 = 2,551,920.84/x - Step 3: Cross multiply
4,000,326.12x = 5,522,223.06 × 2,551,920.84 - Step 4: Simplify right side
4,000,326.12x = 14,092,276,109,942.57 - Step 5: Solve for x
x = 14,092,276,109,942.57/4,000,326.12 - Step 6: Final answer
x = 3,522,781.82
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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.