Finding the Fourth Proportional to 5,748,469.40, 8,622,365.56 and 2,153,935.42
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Solution
The fourth proportional to 5,748,469.40, 8,622,365.56 and 2,153,935.42 is: 3,230,776.28
Step by Step Solution
- Step 1: Write the proportion equation
5,748,469.40 : 8,622,365.56 = 2,153,935.42 : x - Step 2: Convert to fraction form
5,748,469.40/8,622,365.56 = 2,153,935.42/x - Step 3: Cross multiply
5,748,469.40x = 8,622,365.56 × 2,153,935.42 - Step 4: Simplify right side
5,748,469.40x = 18,572,018,583,872.14 - Step 5: Solve for x
x = 18,572,018,583,872.14/5,748,469.40 - Step 6: Final answer
x = 3,230,776.28
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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.