Finding the Fourth Proportional to 4,871,211.85, 6,722,106.45 and 2,695,846.69
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Solution
The fourth proportional to 4,871,211.85, 6,722,106.45 and 2,695,846.69 is: 3,720,176.62
Step by Step Solution
- Step 1: Write the proportion equation
4,871,211.85 : 6,722,106.45 = 2,695,846.69 : x - Step 2: Convert to fraction form
4,871,211.85/6,722,106.45 = 2,695,846.69/x - Step 3: Cross multiply
4,871,211.85x = 6,722,106.45 × 2,695,846.69 - Step 4: Simplify right side
4,871,211.85x = 18,121,768,423,060.15 - Step 5: Solve for x
x = 18,121,768,423,060.15/4,871,211.85 - Step 6: Final answer
x = 3,720,176.62
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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.