Finding the Fourth Proportional to 6,475,554.40, 9,716,053.20 and 3,480,239.20
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Solution
The fourth proportional to 6,475,554.40, 9,716,053.20 and 3,480,239.20 is: 5,221,821.50
Step by Step Solution
- Step 1: Write the proportion equation
6,475,554.40 : 9,716,053.20 = 3,480,239.20 : x - Step 2: Convert to fraction form
6,475,554.40/9,716,053.20 = 3,480,239.20/x - Step 3: Cross multiply
6,475,554.40x = 9,716,053.20 × 3,480,239.20 - Step 4: Simplify right side
6,475,554.40x = 33,814,189,215,925.44 - Step 5: Solve for x
x = 33,814,189,215,925.44/6,475,554.40 - Step 6: Final answer
x = 5,221,821.50
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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.