Finding the Fourth Proportional to 1,989,882.15, 2,984,795.43 and 1,135,129.65
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Solution
The fourth proportional to 1,989,882.15, 2,984,795.43 and 1,135,129.65 is: 1,702,678.61
Step by Step Solution
- Step 1: Write the proportion equation
1,989,882.15 : 2,984,795.43 = 1,135,129.65 : x - Step 2: Convert to fraction form
1,989,882.15/2,984,795.43 = 1,135,129.65/x - Step 3: Cross multiply
1,989,882.15x = 2,984,795.43 × 1,135,129.65 - Step 4: Simplify right side
1,989,882.15x = 3,388,129,776,327.78 - Step 5: Solve for x
x = 3,388,129,776,327.78/1,989,882.15 - Step 6: Final answer
x = 1,702,678.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.