Finding the Fourth Proportional to 1,669,884.77, 2,304,441.81 and 905,938.13
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Solution
The fourth proportional to 1,669,884.77, 2,304,441.81 and 905,938.13 is: 1,250,195.07
Step by Step Solution
- Step 1: Write the proportion equation
1,669,884.77 : 2,304,441.81 = 905,938.13 : x - Step 2: Convert to fraction form
1,669,884.77/2,304,441.81 = 905,938.13/x - Step 3: Cross multiply
1,669,884.77x = 2,304,441.81 × 905,938.13 - Step 4: Simplify right side
1,669,884.77x = 2,087,681,692,523.01 - Step 5: Solve for x
x = 2,087,681,692,523.01/1,669,884.77 - Step 6: Final answer
x = 1,250,195.07
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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.