Finding the Fourth Proportional to 2,087,769.63, 3,131,654.45 and 511,833.63
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Solution
The fourth proportional to 2,087,769.63, 3,131,654.45 and 511,833.63 is: 767,750.45
Step by Step Solution
- Step 1: Write the proportion equation
2,087,769.63 : 3,131,654.45 = 511,833.63 : x - Step 2: Convert to fraction form
2,087,769.63/3,131,654.45 = 511,833.63/x - Step 3: Cross multiply
2,087,769.63x = 3,131,654.45 × 511,833.63 - Step 4: Simplify right side
2,087,769.63x = 1,602,886,065,049.15 - Step 5: Solve for x
x = 1,602,886,065,049.15/2,087,769.63 - Step 6: Final answer
x = 767,750.45
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1.5x scale
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.