Finding the Fourth Proportional to 1,603,554.21, 2,405,774.12 and 1,427,292.99
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Solution
The fourth proportional to 1,603,554.21, 2,405,774.12 and 1,427,292.99 is: 2,141,333.61
Step by Step Solution
- Step 1: Write the proportion equation
1,603,554.21 : 2,405,774.12 = 1,427,292.99 : x - Step 2: Convert to fraction form
1,603,554.21/2,405,774.12 = 1,427,292.99/x - Step 3: Cross multiply
1,603,554.21x = 2,405,774.12 × 1,427,292.99 - Step 4: Simplify right side
1,603,554.21x = 3,433,744,529,862.95 - Step 5: Solve for x
x = 3,433,744,529,862.95/1,603,554.21 - Step 6: Final answer
x = 2,141,333.61
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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.