Finding the Fourth Proportional to 2,269,765.88, 3,132,251.43 and 1,237,251.05
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Solution
The fourth proportional to 2,269,765.88, 3,132,251.43 and 1,237,251.05 is: 1,707,392.57
Step by Step Solution
- Step 1: Write the proportion equation
2,269,765.88 : 3,132,251.43 = 1,237,251.05 : x - Step 2: Convert to fraction form
2,269,765.88/3,132,251.43 = 1,237,251.05/x - Step 3: Cross multiply
2,269,765.88x = 3,132,251.43 × 1,237,251.05 - Step 4: Simplify right side
2,269,765.88x = 3,875,381,388,394.77 - Step 5: Solve for x
x = 3,875,381,388,394.77/2,269,765.88 - Step 6: Final answer
x = 1,707,392.57
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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.