Finding the Fourth Proportional to 5,381,719.11, 7,427,624.33 and 3,207,523.40
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Solution
The fourth proportional to 5,381,719.11, 7,427,624.33 and 3,207,523.40 is: 4,426,890.06
Step by Step Solution
- Step 1: Write the proportion equation
5,381,719.11 : 7,427,624.33 = 3,207,523.40 : x - Step 2: Convert to fraction form
5,381,719.11/7,427,624.33 = 3,207,523.40/x - Step 3: Cross multiply
5,381,719.11x = 7,427,624.33 × 3,207,523.40 - Step 4: Simplify right side
5,381,719.11x = 23,824,278,843,618.60 - Step 5: Solve for x
x = 23,824,278,843,618.60/5,381,719.11 - Step 6: Final answer
x = 4,426,890.06
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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.