Finding the Fourth Proportional to 2,868,216.68, 3,958,424.96 and 2,141,803.25
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Solution
The fourth proportional to 2,868,216.68, 3,958,424.96 and 2,141,803.25 is: 2,955,902.00
Step by Step Solution
- Step 1: Write the proportion equation
2,868,216.68 : 3,958,424.96 = 2,141,803.25 : x - Step 2: Convert to fraction form
2,868,216.68/3,958,424.96 = 2,141,803.25/x - Step 3: Cross multiply
2,868,216.68x = 3,958,424.96 × 2,141,803.25 - Step 4: Simplify right side
2,868,216.68x = 8,478,167,440,599.72 - Step 5: Solve for x
x = 8,478,167,440,599.72/2,868,216.68 - Step 6: Final answer
x = 2,955,902.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.