Finding the Fourth Proportional to 2,128,787.06, 3,193,689.05 and 708,855.44
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Solution
The fourth proportional to 2,128,787.06, 3,193,689.05 and 708,855.44 is: 1,063,452.46
Step by Step Solution
- Step 1: Write the proportion equation
2,128,787.06 : 3,193,689.05 = 708,855.44 : x - Step 2: Convert to fraction form
2,128,787.06/3,193,689.05 = 708,855.44/x - Step 3: Cross multiply
2,128,787.06x = 3,193,689.05 × 708,855.44 - Step 4: Simplify right side
2,128,787.06x = 2,263,863,837,248.21 - Step 5: Solve for x
x = 2,263,863,837,248.21/2,128,787.06 - Step 6: Final answer
x = 1,063,452.46
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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.