Finding the Fourth Proportional to 1,871,729.65, 2,582,986.92 and 1,012,289.91
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Solution
The fourth proportional to 1,871,729.65, 2,582,986.92 and 1,012,289.91 is: 1,396,960.07
Step by Step Solution
- Step 1: Write the proportion equation
1,871,729.65 : 2,582,986.92 = 1,012,289.91 : x - Step 2: Convert to fraction form
1,871,729.65/2,582,986.92 = 1,012,289.91/x - Step 3: Cross multiply
1,871,729.65x = 2,582,986.92 × 1,012,289.91 - Step 4: Simplify right side
1,871,729.65x = 2,614,731,586,142.75 - Step 5: Solve for x
x = 2,614,731,586,142.75/1,871,729.65 - Step 6: Final answer
x = 1,396,960.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.