Finding the Fourth Proportional to 5,613,469.31, 8,420,414.36 and 2,538,875.36
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Solution
The fourth proportional to 5,613,469.31, 8,420,414.36 and 2,538,875.36 is: 3,808,408.19
Step by Step Solution
- Step 1: Write the proportion equation
5,613,469.31 : 8,420,414.36 = 2,538,875.36 : x - Step 2: Convert to fraction form
5,613,469.31/8,420,414.36 = 2,538,875.36/x - Step 3: Cross multiply
5,613,469.31x = 8,420,414.36 × 2,538,875.36 - Step 4: Simplify right side
5,613,469.31x = 21,378,382,484,797.72 - Step 5: Solve for x
x = 21,378,382,484,797.72/5,613,469.31 - Step 6: Final answer
x = 3,808,408.19
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.