Finding the Fourth Proportional to 1,802,782.68, 2,487,840.84 and 987,039.24
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Solution
The fourth proportional to 1,802,782.68, 2,487,840.84 and 987,039.24 is: 1,362,114.56
Step by Step Solution
- Step 1: Write the proportion equation
1,802,782.68 : 2,487,840.84 = 987,039.24 : x - Step 2: Convert to fraction form
1,802,782.68/2,487,840.84 = 987,039.24/x - Step 3: Cross multiply
1,802,782.68x = 2,487,840.84 × 987,039.24 - Step 4: Simplify right side
1,802,782.68x = 2,455,596,531,954.56 - Step 5: Solve for x
x = 2,455,596,531,954.56/1,802,782.68 - Step 6: Final answer
x = 1,362,114.56
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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.