Finding the Fourth Proportional to 4,415,571.15, 6,625,926.47 and 1,856,600.70
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Solution
The fourth proportional to 4,415,571.15, 6,625,926.47 and 1,856,600.70 is: 2,785,981.54
Step by Step Solution
- Step 1: Write the proportion equation
4,415,571.15 : 6,625,926.47 = 1,856,600.70 : x - Step 2: Convert to fraction form
4,415,571.15/6,625,926.47 = 1,856,600.70/x - Step 3: Cross multiply
4,415,571.15x = 6,625,926.47 × 1,856,600.70 - Step 4: Simplify right side
4,415,571.15x = 12,301,699,722,350.53 - Step 5: Solve for x
x = 12,301,699,722,350.53/4,415,571.15 - Step 6: Final answer
x = 2,785,981.54
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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.