Finding the Fourth Proportional to 8,438,976.95, 12,658,290.45 and 2,049,262.79
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Solution
The fourth proportional to 8,438,976.95, 12,658,290.45 and 2,049,262.79 is: 3,073,851.69
Step by Step Solution
- Step 1: Write the proportion equation
8,438,976.95 : 12,658,290.45 = 2,049,262.79 : x - Step 2: Convert to fraction form
8,438,976.95/12,658,290.45 = 2,049,262.79/x - Step 3: Cross multiply
8,438,976.95x = 12,658,290.45 × 2,049,262.79 - Step 4: Simplify right side
8,438,976.95x = 25,940,163,540,905.90 - Step 5: Solve for x
x = 25,940,163,540,905.90/8,438,976.95 - Step 6: Final answer
x = 3,073,851.69
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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.