Finding the Fourth Proportional to 5,618,468.64, 7,753,461.84 and 3,040,195.08
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Solution
The fourth proportional to 5,618,468.64, 7,753,461.84 and 3,040,195.08 is: 4,195,455.75
Step by Step Solution
- Step 1: Write the proportion equation
5,618,468.64 : 7,753,461.84 = 3,040,195.08 : x - Step 2: Convert to fraction form
5,618,468.64/7,753,461.84 = 3,040,195.08/x - Step 3: Cross multiply
5,618,468.64x = 7,753,461.84 × 3,040,195.08 - Step 4: Simplify right side
5,618,468.64x = 23,572,036,538,935.75 - Step 5: Solve for x
x = 23,572,036,538,935.75/5,618,468.64 - Step 6: Final answer
x = 4,195,455.75
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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.