Finding the Fourth Proportional to 1,782,578.25, 2,459,962.04 and 1,018,629.99
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Solution
The fourth proportional to 1,782,578.25, 2,459,962.04 and 1,018,629.99 is: 1,405,711.70
Step by Step Solution
- Step 1: Write the proportion equation
1,782,578.25 : 2,459,962.04 = 1,018,629.99 : x - Step 2: Convert to fraction form
1,782,578.25/2,459,962.04 = 1,018,629.99/x - Step 3: Cross multiply
1,782,578.25x = 2,459,962.04 × 1,018,629.99 - Step 4: Simplify right side
1,782,578.25x = 2,505,791,103,112.43 - Step 5: Solve for x
x = 2,505,791,103,112.43/1,782,578.25 - Step 6: Final answer
x = 1,405,711.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.