Finding the Fourth Proportional to 1,786,987.26, 2,466,061.47 and 971,190.99
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Solution
The fourth proportional to 1,786,987.26, 2,466,061.47 and 971,190.99 is: 1,340,253.92
Step by Step Solution
- Step 1: Write the proportion equation
1,786,987.26 : 2,466,061.47 = 971,190.99 : x - Step 2: Convert to fraction form
1,786,987.26/2,466,061.47 = 971,190.99/x - Step 3: Cross multiply
1,786,987.26x = 2,466,061.47 × 971,190.99 - Step 4: Simplify right side
1,786,987.26x = 2,395,016,680,450.16 - Step 5: Solve for x
x = 2,395,016,680,450.16/1,786,987.26 - Step 6: Final answer
x = 1,340,253.92
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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.