Finding the Fourth Proportional to 1,805,926.26, 2,492,149.83 and 990,136.99
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Solution
The fourth proportional to 1,805,926.26, 2,492,149.83 and 990,136.99 is: 1,366,373.47
Step by Step Solution
- Step 1: Write the proportion equation
1,805,926.26 : 2,492,149.83 = 990,136.99 : x - Step 2: Convert to fraction form
1,805,926.26/2,492,149.83 = 990,136.99/x - Step 3: Cross multiply
1,805,926.26x = 2,492,149.83 × 990,136.99 - Step 4: Simplify right side
1,805,926.26x = 2,467,569,729,267.73 - Step 5: Solve for x
x = 2,467,569,729,267.73/1,805,926.26 - Step 6: Final answer
x = 1,366,373.47
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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.