Finding the Fourth Proportional to 4,319,791.48, 6,479,599.74 and 1,124,846.92
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Solution
The fourth proportional to 4,319,791.48, 6,479,599.74 and 1,124,846.92 is: 1,687,247.60
Step by Step Solution
- Step 1: Write the proportion equation
4,319,791.48 : 6,479,599.74 = 1,124,846.92 : x - Step 2: Convert to fraction form
4,319,791.48/6,479,599.74 = 1,124,846.92/x - Step 3: Cross multiply
4,319,791.48x = 6,479,599.74 × 1,124,846.92 - Step 4: Simplify right side
4,319,791.48x = 7,288,557,810,371.80 - Step 5: Solve for x
x = 7,288,557,810,371.80/4,319,791.48 - Step 6: Final answer
x = 1,687,247.60
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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.