Finding the Fourth Proportional to 3,555,415.44, 4,906,437.84 and 1,923,787.08
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Solution
The fourth proportional to 3,555,415.44, 4,906,437.84 and 1,923,787.08 is: 2,654,806.98
Step by Step Solution
- Step 1: Write the proportion equation
3,555,415.44 : 4,906,437.84 = 1,923,787.08 : x - Step 2: Convert to fraction form
3,555,415.44/4,906,437.84 = 1,923,787.08/x - Step 3: Cross multiply
3,555,415.44x = 4,906,437.84 × 1,923,787.08 - Step 4: Simplify right side
3,555,415.44x = 9,438,941,725,415.11 - Step 5: Solve for x
x = 9,438,941,725,415.11/3,555,415.44 - Step 6: Final answer
x = 2,654,806.98
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1.5x scale
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.