Finding the Fourth Proportional to 5,276,027.28, 7,912,617.09 and 1,863,864.66
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Solution
The fourth proportional to 5,276,027.28, 7,912,617.09 and 1,863,864.66 is: 2,795,293.99
Step by Step Solution
- Step 1: Write the proportion equation
5,276,027.28 : 7,912,617.09 = 1,863,864.66 : x - Step 2: Convert to fraction form
5,276,027.28/7,912,617.09 = 1,863,864.66/x - Step 3: Cross multiply
5,276,027.28x = 7,912,617.09 × 1,863,864.66 - Step 4: Simplify right side
5,276,027.28x = 14,748,047,362,163.04 - Step 5: Solve for x
x = 14,748,047,362,163.04/5,276,027.28 - Step 6: Final answer
x = 2,795,293.99
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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.