Finding the Fourth Proportional to 2,907,309.26, 4,331,129.00 and 2,776,151.43
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Solution
The fourth proportional to 2,907,309.26, 4,331,129.00 and 2,776,151.43 is: 4,135,738.19
Step by Step Solution
- Step 1: Write the proportion equation
2,907,309.26 : 4,331,129.00 = 2,776,151.43 : x - Step 2: Convert to fraction form
2,907,309.26/4,331,129.00 = 2,776,151.43/x - Step 3: Cross multiply
2,907,309.26x = 4,331,129.00 × 2,776,151.43 - Step 4: Simplify right side
2,907,309.26x = 12,023,869,952,983.71 - Step 5: Solve for x
x = 12,023,869,952,983.71/2,907,309.26 - Step 6: Final answer
x = 4,135,738.19
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.