Finding the Fourth Proportional to 5,120,761.76, 7,675,777.21 and 2,386,054.54
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Solution
The fourth proportional to 5,120,761.76, 7,675,777.21 and 2,386,054.54 is: 3,576,581.75
Step by Step Solution
- Step 1: Write the proportion equation
5,120,761.76 : 7,675,777.21 = 2,386,054.54 : x - Step 2: Convert to fraction form
5,120,761.76/7,675,777.21 = 2,386,054.54/x - Step 3: Cross multiply
5,120,761.76x = 7,675,777.21 × 2,386,054.54 - Step 4: Simplify right side
5,120,761.76x = 18,314,823,039,754.57 - Step 5: Solve for x
x = 18,314,823,039,754.57/5,120,761.76 - Step 6: Final answer
x = 3,576,581.75
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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.