Finding the Fourth Proportional to 3,615,419.99, 5,423,161.77 and 919,748.06
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Solution
The fourth proportional to 3,615,419.99, 5,423,161.77 and 919,748.06 is: 1,379,630.18
Step by Step Solution
- Step 1: Write the proportion equation
3,615,419.99 : 5,423,161.77 = 919,748.06 : x - Step 2: Convert to fraction form
3,615,419.99/5,423,161.77 = 919,748.06/x - Step 3: Cross multiply
3,615,419.99x = 5,423,161.77 × 919,748.06 - Step 4: Simplify right side
3,615,419.99x = 4,987,942,517,023.67 - Step 5: Solve for x
x = 4,987,942,517,023.67/3,615,419.99 - Step 6: Final answer
x = 1,379,630.18
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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.