Finding the Fourth Proportional to 5,871,429.80, 8,798,850.30 and 4,343,186.60
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Solution
The fourth proportional to 5,871,429.80, 8,798,850.30 and 4,343,186.60 is: 6,508,644.41
Step by Step Solution
- Step 1: Write the proportion equation
5,871,429.80 : 8,798,850.30 = 4,343,186.60 : x - Step 2: Convert to fraction form
5,871,429.80/8,798,850.30 = 4,343,186.60/x - Step 3: Cross multiply
5,871,429.80x = 8,798,850.30 × 4,343,186.60 - Step 4: Simplify right side
5,871,429.80x = 38,215,048,718,365.98 - Step 5: Solve for x
x = 38,215,048,718,365.98/5,871,429.80 - Step 6: Final answer
x = 6,508,644.41
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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.