Finding the Fourth Proportional to 2,176,336.56, 3,265,058.07 and 1,278,537.42
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Solution
The fourth proportional to 2,176,336.56, 3,265,058.07 and 1,278,537.42 is: 1,918,131.14
Step by Step Solution
- Step 1: Write the proportion equation
2,176,336.56 : 3,265,058.07 = 1,278,537.42 : x - Step 2: Convert to fraction form
2,176,336.56/3,265,058.07 = 1,278,537.42/x - Step 3: Cross multiply
2,176,336.56x = 3,265,058.07 × 1,278,537.42 - Step 4: Simplify right side
2,176,336.56x = 4,174,498,920,967.98 - Step 5: Solve for x
x = 4,174,498,920,967.98/2,176,336.56 - Step 6: Final answer
x = 1,918,131.14
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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.