Finding the Fourth Proportional to 5,412,479.30, 8,121,386.42 and 2,534,040.96
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Solution
The fourth proportional to 5,412,479.30, 8,121,386.42 and 2,534,040.96 is: 3,802,310.31
Step by Step Solution
- Step 1: Write the proportion equation
5,412,479.30 : 8,121,386.42 = 2,534,040.96 : x - Step 2: Convert to fraction form
5,412,479.30/8,121,386.42 = 2,534,040.96/x - Step 3: Cross multiply
5,412,479.30x = 8,121,386.42 × 2,534,040.96 - Step 4: Simplify right side
5,412,479.30x = 20,579,925,840,267.76 - Step 5: Solve for x
x = 20,579,925,840,267.76/5,412,479.30 - Step 6: Final answer
x = 3,802,310.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.