Finding the Fourth Proportional to 2,135,181.36, 2,946,587.04 and 1,168,396.14
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Solution
The fourth proportional to 2,135,181.36, 2,946,587.04 and 1,168,396.14 is: 1,612,406.79
Step by Step Solution
- Step 1: Write the proportion equation
2,135,181.36 : 2,946,587.04 = 1,168,396.14 : x - Step 2: Convert to fraction form
2,135,181.36/2,946,587.04 = 1,168,396.14/x - Step 3: Cross multiply
2,135,181.36x = 2,946,587.04 × 1,168,396.14 - Step 4: Simplify right side
2,135,181.36x = 3,442,780,923,710.03 - Step 5: Solve for x
x = 3,442,780,923,710.03/2,135,181.36 - Step 6: Final answer
x = 1,612,406.79
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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.