Finding the Fourth Proportional to 1,091,538.78, 1,637,193.69 and 292,902.18
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Solution
The fourth proportional to 1,091,538.78, 1,637,193.69 and 292,902.18 is: 439,322.55
Step by Step Solution
- Step 1: Write the proportion equation
1,091,538.78 : 1,637,193.69 = 292,902.18 : x - Step 2: Convert to fraction form
1,091,538.78/1,637,193.69 = 292,902.18/x - Step 3: Cross multiply
1,091,538.78x = 1,637,193.69 × 292,902.18 - Step 4: Simplify right side
1,091,538.78x = 479,537,600,883.24 - Step 5: Solve for x
x = 479,537,600,883.24/1,091,538.78 - Step 6: Final answer
x = 439,322.55
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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.