Finding the Fourth Proportional to 1,603,557.97, 2,405,779.81 and 1,427,296.70
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Solution
The fourth proportional to 1,603,557.97, 2,405,779.81 and 1,427,296.70 is: 2,141,339.23
Step by Step Solution
- Step 1: Write the proportion equation
1,603,557.97 : 2,405,779.81 = 1,427,296.70 : x - Step 2: Convert to fraction form
1,603,557.97/2,405,779.81 = 1,427,296.70/x - Step 3: Cross multiply
1,603,557.97x = 2,405,779.81 × 1,427,296.70 - Step 4: Simplify right side
1,603,557.97x = 3,433,761,586,185.83 - Step 5: Solve for x
x = 3,433,761,586,185.83/1,603,557.97 - Step 6: Final answer
x = 2,141,339.23
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.