Finding the Fourth Proportional to 5,646,993.36, 7,789,982.29 and 3,688,018
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Solution
The fourth proportional to 5,646,993.36, 7,789,982.29 and 3,688,018 is: 5,087,591.41
Step by Step Solution
- Step 1: Write the proportion equation
5,646,993.36 : 7,789,982.29 = 3,688,018 : x - Step 2: Convert to fraction form
5,646,993.36/7,789,982.29 = 3,688,018/x - Step 3: Cross multiply
5,646,993.36x = 7,789,982.29 × 3,688,018 - Step 4: Simplify right side
5,646,993.36x = 28,729,594,905,201.22 - Step 5: Solve for x
x = 28,729,594,905,201.22/5,646,993.36 - Step 6: Final answer
x = 5,087,591.41
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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.