Finding the Fourth Proportional to 1,090,361.08, 1,635,541.14 and 291,621.88
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Solution
The fourth proportional to 1,090,361.08, 1,635,541.14 and 291,621.88 is: 437,432.69
Step by Step Solution
- Step 1: Write the proportion equation
1,090,361.08 : 1,635,541.14 = 291,621.88 : x - Step 2: Convert to fraction form
1,090,361.08/1,635,541.14 = 291,621.88/x - Step 3: Cross multiply
1,090,361.08x = 1,635,541.14 × 291,621.88 - Step 4: Simplify right side
1,090,361.08x = 476,959,582,064.14 - Step 5: Solve for x
x = 476,959,582,064.14/1,090,361.08 - Step 6: Final answer
x = 437,432.69
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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.