Finding the Fourth Proportional to 5,628,827.92, 7,768,616.34 and 3,564,035.44
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Solution
The fourth proportional to 5,628,827.92, 7,768,616.34 and 3,564,035.44 is: 4,918,896.86
Step by Step Solution
- Step 1: Write the proportion equation
5,628,827.92 : 7,768,616.34 = 3,564,035.44 : x - Step 2: Convert to fraction form
5,628,827.92/7,768,616.34 = 3,564,035.44/x - Step 3: Cross multiply
5,628,827.92x = 7,768,616.34 × 3,564,035.44 - Step 4: Simplify right side
5,628,827.92x = 27,687,623,955,523.09 - Step 5: Solve for x
x = 27,687,623,955,523.09/5,628,827.92 - Step 6: Final answer
x = 4,918,896.86
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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.