Finding the Fourth Proportional to 1,699,321.97, 2,548,235.12 and 900,419.38
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Solution
The fourth proportional to 1,699,321.97, 2,548,235.12 and 900,419.38 is: 1,350,232.81
Step by Step Solution
- Step 1: Write the proportion equation
1,699,321.97 : 2,548,235.12 = 900,419.38 : x - Step 2: Convert to fraction form
1,699,321.97/2,548,235.12 = 900,419.38/x - Step 3: Cross multiply
1,699,321.97x = 2,548,235.12 × 900,419.38 - Step 4: Simplify right side
1,699,321.97x = 2,294,480,275,971.94 - Step 5: Solve for x
x = 2,294,480,275,971.94/1,699,321.97 - Step 6: Final answer
x = 1,350,232.81
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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.