Finding the Fourth Proportional to 4,229,155.80, 6,343,733.70 and 1,237,339.80
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Solution
The fourth proportional to 4,229,155.80, 6,343,733.70 and 1,237,339.80 is: 1,856,009.70
Step by Step Solution
- Step 1: Write the proportion equation
4,229,155.80 : 6,343,733.70 = 1,237,339.80 : x - Step 2: Convert to fraction form
4,229,155.80/6,343,733.70 = 1,237,339.80/x - Step 3: Cross multiply
4,229,155.80x = 6,343,733.70 × 1,237,339.80 - Step 4: Simplify right side
4,229,155.80x = 7,849,354,187,611.26 - Step 5: Solve for x
x = 7,849,354,187,611.26/4,229,155.80 - Step 6: Final answer
x = 1,856,009.70
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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.