Finding the Fourth Proportional to 1,641,548.39, 2,265,102.42 and 916,380.19
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Solution
The fourth proportional to 1,641,548.39, 2,265,102.42 and 916,380.19 is: 1,264,473.83
Step by Step Solution
- Step 1: Write the proportion equation
1,641,548.39 : 2,265,102.42 = 916,380.19 : x - Step 2: Convert to fraction form
1,641,548.39/2,265,102.42 = 916,380.19/x - Step 3: Cross multiply
1,641,548.39x = 2,265,102.42 × 916,380.19 - Step 4: Simplify right side
1,641,548.39x = 2,075,694,974,683.55 - Step 5: Solve for x
x = 2,075,694,974,683.55/1,641,548.39 - Step 6: Final answer
x = 1,264,473.83
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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.