Finding the Fourth Proportional to 2,290,309.73, 3,161,854.49 and 1,765,874.94
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Solution
The fourth proportional to 2,290,309.73, 3,161,854.49 and 1,765,874.94 is: 2,437,853.50
Step by Step Solution
- Step 1: Write the proportion equation
2,290,309.73 : 3,161,854.49 = 1,765,874.94 : x - Step 2: Convert to fraction form
2,290,309.73/3,161,854.49 = 1,765,874.94/x - Step 3: Cross multiply
2,290,309.73x = 3,161,854.49 × 1,765,874.94 - Step 4: Simplify right side
2,290,309.73x = 5,583,439,598,988.11 - Step 5: Solve for x
x = 5,583,439,598,988.11/2,290,309.73 - Step 6: Final answer
x = 2,437,853.50
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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.