Finding the Fourth Proportional to 6,475,553.40, 9,716,051.70 and 3,480,238.20
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Solution
The fourth proportional to 6,475,553.40, 9,716,051.70 and 3,480,238.20 is: 5,221,820.00
Step by Step Solution
- Step 1: Write the proportion equation
6,475,553.40 : 9,716,051.70 = 3,480,238.20 : x - Step 2: Convert to fraction form
6,475,553.40/9,716,051.70 = 3,480,238.20/x - Step 3: Cross multiply
6,475,553.40x = 9,716,051.70 × 3,480,238.20 - Step 4: Simplify right side
6,475,553.40x = 33,814,174,279,514.94 - Step 5: Solve for x
x = 33,814,174,279,514.94/6,475,553.40 - Step 6: Final answer
x = 5,221,820.00
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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.