Finding the Fourth Proportional to 1,612,142.83, 2,224,791.56 and 886,992.63
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Solution
The fourth proportional to 1,612,142.83, 2,224,791.56 and 886,992.63 is: 1,224,068.79
Step by Step Solution
- Step 1: Write the proportion equation
1,612,142.83 : 2,224,791.56 = 886,992.63 : x - Step 2: Convert to fraction form
1,612,142.83/2,224,791.56 = 886,992.63/x - Step 3: Cross multiply
1,612,142.83x = 2,224,791.56 × 886,992.63 - Step 4: Simplify right side
1,612,142.83x = 1,973,373,717,006.20 - Step 5: Solve for x
x = 1,973,373,717,006.20/1,612,142.83 - Step 6: Final answer
x = 1,224,068.79
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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.