Finding the Fourth Proportional to 5,019,822.72, 6,927,398.64 and 2,727,982.80
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Solution
The fourth proportional to 5,019,822.72, 6,927,398.64 and 2,727,982.80 is: 3,764,639.79
Step by Step Solution
- Step 1: Write the proportion equation
5,019,822.72 : 6,927,398.64 = 2,727,982.80 : x - Step 2: Convert to fraction form
5,019,822.72/6,927,398.64 = 2,727,982.80/x - Step 3: Cross multiply
5,019,822.72x = 6,927,398.64 × 2,727,982.80 - Step 4: Simplify right side
5,019,822.72x = 18,897,824,338,663.39 - Step 5: Solve for x
x = 18,897,824,338,663.39/5,019,822.72 - Step 6: Final answer
x = 3,764,639.79
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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.