Finding the Fourth Proportional to 1,641,546.36, 2,265,099.69 and 916,378.17
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Solution
The fourth proportional to 1,641,546.36, 2,265,099.69 and 916,378.17 is: 1,264,471.09
Step by Step Solution
- Step 1: Write the proportion equation
1,641,546.36 : 2,265,099.69 = 916,378.17 : x - Step 2: Convert to fraction form
1,641,546.36/2,265,099.69 = 916,378.17/x - Step 3: Cross multiply
1,641,546.36x = 2,265,099.69 × 916,378.17 - Step 4: Simplify right side
1,641,546.36x = 2,075,687,908,789.77 - Step 5: Solve for x
x = 2,075,687,908,789.77/1,641,546.36 - Step 6: Final answer
x = 1,264,471.09
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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.