Finding the Fourth Proportional to 2,127,062.88, 2,935,273.68 and 1,267,176.96
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Solution
The fourth proportional to 2,127,062.88, 2,935,273.68 and 1,267,176.96 is: 1,748,660.66
Step by Step Solution
- Step 1: Write the proportion equation
2,127,062.88 : 2,935,273.68 = 1,267,176.96 : x - Step 2: Convert to fraction form
2,127,062.88/2,935,273.68 = 1,267,176.96/x - Step 3: Cross multiply
2,127,062.88x = 2,935,273.68 × 1,267,176.96 - Step 4: Simplify right side
2,127,062.88x = 3,719,511,178,590.41 - Step 5: Solve for x
x = 3,719,511,178,590.41/2,127,062.88 - Step 6: Final answer
x = 1,748,660.66
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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.