Finding the Fourth Proportional to 2,129,149.98, 3,177,431.10 and 1,901,958.87
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Solution
The fourth proportional to 2,129,149.98, 3,177,431.10 and 1,901,958.87 is: 2,838,383.07
Step by Step Solution
- Step 1: Write the proportion equation
2,129,149.98 : 3,177,431.10 = 1,901,958.87 : x - Step 2: Convert to fraction form
2,129,149.98/3,177,431.10 = 1,901,958.87/x - Step 3: Cross multiply
2,129,149.98x = 3,177,431.10 × 1,901,958.87 - Step 4: Simplify right side
2,129,149.98x = 6,043,343,264,458.86 - Step 5: Solve for x
x = 6,043,343,264,458.86/2,129,149.98 - Step 6: Final answer
x = 2,838,383.07
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.