Finding the Fourth Proportional to 2,128,963.86, 3,193,491.16 and 762,826.80
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Solution
The fourth proportional to 2,128,963.86, 3,193,491.16 and 762,826.80 is: 1,144,256.46
Step by Step Solution
- Step 1: Write the proportion equation
2,128,963.86 : 3,193,491.16 = 762,826.80 : x - Step 2: Convert to fraction form
2,128,963.86/3,193,491.16 = 762,826.80/x - Step 3: Cross multiply
2,128,963.86x = 3,193,491.16 × 762,826.80 - Step 4: Simplify right side
2,128,963.86x = 2,436,080,642,411.09 - Step 5: Solve for x
x = 2,436,080,642,411.09/2,128,963.86 - Step 6: Final answer
x = 1,144,256.46
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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.