Finding the Fourth Proportional to 4,782,512.64, 7,168,785.76 and 2,086,113.36
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Solution
The fourth proportional to 4,782,512.64, 7,168,785.76 and 2,086,113.36 is: 3,126,996.39
Step by Step Solution
- Step 1: Write the proportion equation
4,782,512.64 : 7,168,785.76 = 2,086,113.36 : x - Step 2: Convert to fraction form
4,782,512.64/7,168,785.76 = 2,086,113.36/x - Step 3: Cross multiply
4,782,512.64x = 7,168,785.76 × 2,086,113.36 - Step 4: Simplify right side
4,782,512.64x = 14,954,899,748,913.75 - Step 5: Solve for x
x = 14,954,899,748,913.75/4,782,512.64 - Step 6: Final answer
x = 3,126,996.39
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.