Finding the Fourth Proportional to 2,276,076.08, 3,140,988.37 and 1,296,015.91
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Solution
The fourth proportional to 2,276,076.08, 3,140,988.37 and 1,296,015.91 is: 1,788,503.88
Step by Step Solution
- Step 1: Write the proportion equation
2,276,076.08 : 3,140,988.37 = 1,296,015.91 : x - Step 2: Convert to fraction form
2,276,076.08/3,140,988.37 = 1,296,015.91/x - Step 3: Cross multiply
2,276,076.08x = 3,140,988.37 × 1,296,015.91 - Step 4: Simplify right side
2,276,076.08x = 4,070,770,900,644.97 - Step 5: Solve for x
x = 4,070,770,900,644.97/2,276,076.08 - Step 6: Final answer
x = 1,788,503.88
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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.