Finding the Fourth Proportional to 5,370,974.84, 7,412,098.06 and 2,923,743.68
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Solution
The fourth proportional to 5,370,974.84, 7,412,098.06 and 2,923,743.68 is: 4,034,849.45
Step by Step Solution
- Step 1: Write the proportion equation
5,370,974.84 : 7,412,098.06 = 2,923,743.68 : x - Step 2: Convert to fraction form
5,370,974.84/7,412,098.06 = 2,923,743.68/x - Step 3: Cross multiply
5,370,974.84x = 7,412,098.06 × 2,923,743.68 - Step 4: Simplify right side
5,370,974.84x = 21,671,074,858,465.26 - Step 5: Solve for x
x = 21,671,074,858,465.26/5,370,974.84 - Step 6: Final answer
x = 4,034,849.45
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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.