Finding the Fourth Proportional to 5,401,654.11, 7,454,177.82 and 2,954,257.56
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Solution
The fourth proportional to 5,401,654.11, 7,454,177.82 and 2,954,257.56 is: 4,076,818.09
Step by Step Solution
- Step 1: Write the proportion equation
5,401,654.11 : 7,454,177.82 = 2,954,257.56 : x - Step 2: Convert to fraction form
5,401,654.11/7,454,177.82 = 2,954,257.56/x - Step 3: Cross multiply
5,401,654.11x = 7,454,177.82 × 2,954,257.56 - Step 4: Simplify right side
5,401,654.11x = 22,021,561,178,319.32 - Step 5: Solve for x
x = 22,021,561,178,319.32/5,401,654.11 - Step 6: Final answer
x = 4,076,818.09
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1.5x scale
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.