Finding the Fourth Proportional to 3,217,393.70, 4,438,923.04 and 1,821,764.94
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Solution
The fourth proportional to 3,217,393.70, 4,438,923.04 and 1,821,764.94 is: 2,513,423.94
Step by Step Solution
- Step 1: Write the proportion equation
3,217,393.70 : 4,438,923.04 = 1,821,764.94 : x - Step 2: Convert to fraction form
3,217,393.70/4,438,923.04 = 1,821,764.94/x - Step 3: Cross multiply
3,217,393.70x = 4,438,923.04 × 1,821,764.94 - Step 4: Simplify right side
3,217,393.70x = 8,086,674,365,630.22 - Step 5: Solve for x
x = 8,086,674,365,630.22/3,217,393.70 - Step 6: Final answer
x = 2,513,423.94
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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.