Finding the Fourth Proportional to 2,128,963.85, 3,193,491.15 and 762,826.79
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Solution
The fourth proportional to 2,128,963.85, 3,193,491.15 and 762,826.79 is: 1,144,256.44
Step by Step Solution
- Step 1: Write the proportion equation
2,128,963.85 : 3,193,491.15 = 762,826.79 : x - Step 2: Convert to fraction form
2,128,963.85/3,193,491.15 = 762,826.79/x - Step 3: Cross multiply
2,128,963.85x = 3,193,491.15 × 762,826.79 - Step 4: Simplify right side
2,128,963.85x = 2,436,080,602,847.91 - Step 5: Solve for x
x = 2,436,080,602,847.91/2,128,963.85 - Step 6: Final answer
x = 1,144,256.44
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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.