Finding the Fourth Proportional to 5,487,942.56, 8,232,839.68 and 1,892,747.84
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Solution
The fourth proportional to 5,487,942.56, 8,232,839.68 and 1,892,747.84 is: 2,839,441.07
Step by Step Solution
- Step 1: Write the proportion equation
5,487,942.56 : 8,232,839.68 = 1,892,747.84 : x - Step 2: Convert to fraction form
5,487,942.56/8,232,839.68 = 1,892,747.84/x - Step 3: Cross multiply
5,487,942.56x = 8,232,839.68 × 1,892,747.84 - Step 4: Simplify right side
5,487,942.56x = 15,582,689,521,386.29 - Step 5: Solve for x
x = 15,582,689,521,386.29/5,487,942.56 - Step 6: Final answer
x = 2,839,441.07
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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.