Finding the Fourth Proportional to 3,615,108.36, 5,422,639.12 and 919,410.28
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Solution
The fourth proportional to 3,615,108.36, 5,422,639.12 and 919,410.28 is: 1,379,109.46
Step by Step Solution
- Step 1: Write the proportion equation
3,615,108.36 : 5,422,639.12 = 919,410.28 : x - Step 2: Convert to fraction form
3,615,108.36/5,422,639.12 = 919,410.28/x - Step 3: Cross multiply
3,615,108.36x = 5,422,639.12 × 919,410.28 - Step 4: Simplify right side
3,615,108.36x = 4,985,630,151,658.15 - Step 5: Solve for x
x = 4,985,630,151,658.15/3,615,108.36 - Step 6: Final answer
x = 1,379,109.46
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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.