Finding the Fourth Proportional to 2,141,625.87, 3,210,840.99 and 1,288,497.60
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Solution
The fourth proportional to 2,141,625.87, 3,210,840.99 and 1,288,497.60 is: 1,931,785.08
Step by Step Solution
- Step 1: Write the proportion equation
2,141,625.87 : 3,210,840.99 = 1,288,497.60 : x - Step 2: Convert to fraction form
2,141,625.87/3,210,840.99 = 1,288,497.60/x - Step 3: Cross multiply
2,141,625.87x = 3,210,840.99 × 1,288,497.60 - Step 4: Simplify right side
2,141,625.87x = 4,137,160,909,596.62 - Step 5: Solve for x
x = 4,137,160,909,596.62/2,141,625.87 - Step 6: Final answer
x = 1,931,785.08
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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.