Finding the Fourth Proportional to 3,708,470.68, 5,117,445.88 and 2,076,503.92
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Solution
The fourth proportional to 3,708,470.68, 5,117,445.88 and 2,076,503.92 is: 2,865,438.98
Step by Step Solution
- Step 1: Write the proportion equation
3,708,470.68 : 5,117,445.88 = 2,076,503.92 : x - Step 2: Convert to fraction form
3,708,470.68/5,117,445.88 = 2,076,503.92/x - Step 3: Cross multiply
3,708,470.68x = 5,117,445.88 × 2,076,503.92 - Step 4: Simplify right side
3,708,470.68x = 10,626,396,430,207.85 - Step 5: Solve for x
x = 10,626,396,430,207.85/3,708,470.68 - Step 6: Final answer
x = 2,865,438.98
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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.