Finding the Fourth Proportional to 1,914,087.95, 2,641,950.78 and 1,129,843.42
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Solution
The fourth proportional to 1,914,087.95, 2,641,950.78 and 1,129,843.42 is: 1,559,484.61
Step by Step Solution
- Step 1: Write the proportion equation
1,914,087.95 : 2,641,950.78 = 1,129,843.42 : x - Step 2: Convert to fraction form
1,914,087.95/2,641,950.78 = 1,129,843.42/x - Step 3: Cross multiply
1,914,087.95x = 2,641,950.78 × 1,129,843.42 - Step 4: Simplify right side
1,914,087.95x = 2,984,990,693,905.08 - Step 5: Solve for x
x = 2,984,990,693,905.08/1,914,087.95 - Step 6: Final answer
x = 1,559,484.61
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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.