Finding the Fourth Proportional to 4,419,082.22, 6,628,623.35 and 1,386,916.07
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Solution
The fourth proportional to 4,419,082.22, 6,628,623.35 and 1,386,916.07 is: 2,080,374.10
Step by Step Solution
- Step 1: Write the proportion equation
4,419,082.22 : 6,628,623.35 = 1,386,916.07 : x - Step 2: Convert to fraction form
4,419,082.22/6,628,623.35 = 1,386,916.07/x - Step 3: Cross multiply
4,419,082.22x = 6,628,623.35 × 1,386,916.07 - Step 4: Simplify right side
4,419,082.22x = 9,193,344,206,014.54 - Step 5: Solve for x
x = 9,193,344,206,014.54/4,419,082.22 - Step 6: Final answer
x = 2,080,374.10
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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.