Finding the Fourth Proportional to 5,395,988.97, 7,446,484.12 and 2,948,599.99
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Solution
The fourth proportional to 5,395,988.97, 7,446,484.12 and 2,948,599.99 is: 4,069,078.56
Step by Step Solution
- Step 1: Write the proportion equation
5,395,988.97 : 7,446,484.12 = 2,948,599.99 : x - Step 2: Convert to fraction form
5,395,988.97/7,446,484.12 = 2,948,599.99/x - Step 3: Cross multiply
5,395,988.97x = 7,446,484.12 × 2,948,599.99 - Step 4: Simplify right side
5,395,988.97x = 21,956,703,017,736.37 - Step 5: Solve for x
x = 21,956,703,017,736.37/5,395,988.97 - Step 6: Final answer
x = 4,069,078.56
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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.