Finding the Fourth Proportional to 1,471,405.70, 2,205,942.15 and 806,557.70
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Solution
The fourth proportional to 1,471,405.70, 2,205,942.15 and 806,557.70 is: 1,209,197.18
Step by Step Solution
- Step 1: Write the proportion equation
1,471,405.70 : 2,205,942.15 = 806,557.70 : x - Step 2: Convert to fraction form
1,471,405.70/2,205,942.15 = 806,557.70/x - Step 3: Cross multiply
1,471,405.70x = 2,205,942.15 × 806,557.70 - Step 4: Simplify right side
1,471,405.70x = 1,779,219,626,837.06 - Step 5: Solve for x
x = 1,779,219,626,837.06/1,471,405.70 - Step 6: Final answer
x = 1,209,197.18
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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.