Finding the Fourth Proportional to 2,069,971.75, 3,104,779.74 and 1,260,145.97
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Solution
The fourth proportional to 2,069,971.75, 3,104,779.74 and 1,260,145.97 is: 1,890,110.67
Step by Step Solution
- Step 1: Write the proportion equation
2,069,971.75 : 3,104,779.74 = 1,260,145.97 : x - Step 2: Convert to fraction form
2,069,971.75/3,104,779.74 = 1,260,145.97/x - Step 3: Cross multiply
2,069,971.75x = 3,104,779.74 × 1,260,145.97 - Step 4: Simplify right side
2,069,971.75x = 3,912,475,677,098.65 - Step 5: Solve for x
x = 3,912,475,677,098.65/2,069,971.75 - Step 6: Final answer
x = 1,890,110.67
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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.