Finding the Fourth Proportional to 4,755,349.98, 7,134,186.83 and 1,516,888.21
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Solution
The fourth proportional to 4,755,349.98, 7,134,186.83 and 1,516,888.21 is: 2,275,702.93
Step by Step Solution
- Step 1: Write the proportion equation
4,755,349.98 : 7,134,186.83 = 1,516,888.21 : x - Step 2: Convert to fraction form
4,755,349.98/7,134,186.83 = 1,516,888.21/x - Step 3: Cross multiply
4,755,349.98x = 7,134,186.83 × 1,516,888.21 - Step 4: Simplify right side
4,755,349.98x = 10,821,763,890,486.41 - Step 5: Solve for x
x = 10,821,763,890,486.41/4,755,349.98 - Step 6: Final answer
x = 2,275,702.93
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1.5x scale
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.