Finding the Fourth Proportional to 2,884,882.12, 3,981,235.70 and 1,644,675.90
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Solution
The fourth proportional to 2,884,882.12, 3,981,235.70 and 1,644,675.90 is: 2,269,708.83
Step by Step Solution
- Step 1: Write the proportion equation
2,884,882.12 : 3,981,235.70 = 1,644,675.90 : x - Step 2: Convert to fraction form
2,884,882.12/3,981,235.70 = 1,644,675.90/x - Step 3: Cross multiply
2,884,882.12x = 3,981,235.70 × 1,644,675.90 - Step 4: Simplify right side
2,884,882.12x = 6,547,842,408,009.63 - Step 5: Solve for x
x = 6,547,842,408,009.63/2,884,882.12 - Step 6: Final answer
x = 2,269,708.83
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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.