Finding the Fourth Proportional to 2,485,372.97, 3,728,021.95 and 1,118,181.20
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Solution
The fourth proportional to 2,485,372.97, 3,728,021.95 and 1,118,181.20 is: 1,677,254.92
Step by Step Solution
- Step 1: Write the proportion equation
2,485,372.97 : 3,728,021.95 = 1,118,181.20 : x - Step 2: Convert to fraction form
2,485,372.97/3,728,021.95 = 1,118,181.20/x - Step 3: Cross multiply
2,485,372.97x = 3,728,021.95 × 1,118,181.20 - Step 4: Simplify right side
2,485,372.97x = 4,168,604,044,630.25 - Step 5: Solve for x
x = 4,168,604,044,630.25/2,485,372.97 - Step 6: Final answer
x = 1,677,254.92
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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.