Finding the Fourth Proportional to 5,093,133.21, 7,638,078.20 and 1,680,784.65
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Solution
The fourth proportional to 5,093,133.21, 7,638,078.20 and 1,680,784.65 is: 2,520,641.82
Step by Step Solution
- Step 1: Write the proportion equation
5,093,133.21 : 7,638,078.20 = 1,680,784.65 : x - Step 2: Convert to fraction form
5,093,133.21/7,638,078.20 = 1,680,784.65/x - Step 3: Cross multiply
5,093,133.21x = 7,638,078.20 × 1,680,784.65 - Step 4: Simplify right side
5,093,133.21x = 12,837,964,585,655.71 - Step 5: Solve for x
x = 12,837,964,585,655.71/5,093,133.21 - Step 6: Final answer
x = 2,520,641.82
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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.