Finding the Fourth Proportional to 1,669,847.88, 2,304,390.99 and 905,901.36
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Solution
The fourth proportional to 1,669,847.88, 2,304,390.99 and 905,901.36 is: 1,250,144.37
Step by Step Solution
- Step 1: Write the proportion equation
1,669,847.88 : 2,304,390.99 = 905,901.36 : x - Step 2: Convert to fraction form
1,669,847.88/2,304,390.99 = 905,901.36/x - Step 3: Cross multiply
1,669,847.88x = 2,304,390.99 × 905,901.36 - Step 4: Simplify right side
1,669,847.88x = 2,087,550,931,812.75 - Step 5: Solve for x
x = 2,087,550,931,812.75/1,669,847.88 - Step 6: Final answer
x = 1,250,144.37
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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.