Finding the Fourth Proportional to 5,622,677.36, 8,434,840.38 and 1,783,219.28
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Solution
The fourth proportional to 5,622,677.36, 8,434,840.38 and 1,783,219.28 is: 2,675,090.36
Step by Step Solution
- Step 1: Write the proportion equation
5,622,677.36 : 8,434,840.38 = 1,783,219.28 : x - Step 2: Convert to fraction form
5,622,677.36/8,434,840.38 = 1,783,219.28/x - Step 3: Cross multiply
5,622,677.36x = 8,434,840.38 × 1,783,219.28 - Step 4: Simplify right side
5,622,677.36x = 15,041,169,989,338.53 - Step 5: Solve for x
x = 15,041,169,989,338.53/5,622,677.36 - Step 6: Final answer
x = 2,675,090.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.