Finding the Fourth Proportional to 5,418,859.96, 8,135,226.29 and 4,655,243.06
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Solution
The fourth proportional to 5,418,859.96, 8,135,226.29 and 4,655,243.06 is: 6,988,823.48
Step by Step Solution
- Step 1: Write the proportion equation
5,418,859.96 : 8,135,226.29 = 4,655,243.06 : x - Step 2: Convert to fraction form
5,418,859.96/8,135,226.29 = 4,655,243.06/x - Step 3: Cross multiply
5,418,859.96x = 8,135,226.29 × 4,655,243.06 - Step 4: Simplify right side
5,418,859.96x = 37,871,455,728,052.05 - Step 5: Solve for x
x = 37,871,455,728,052.05/5,418,859.96 - Step 6: Final answer
x = 6,988,823.48
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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.