Finding the Fourth Proportional to 2,674,143.16, 4,011,495.92 and 780,889.92
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Solution
The fourth proportional to 2,674,143.16, 4,011,495.92 and 780,889.92 is: 1,171,416.99
Step by Step Solution
- Step 1: Write the proportion equation
2,674,143.16 : 4,011,495.92 = 780,889.92 : x - Step 2: Convert to fraction form
2,674,143.16/4,011,495.92 = 780,889.92/x - Step 3: Cross multiply
2,674,143.16x = 4,011,495.92 × 780,889.92 - Step 4: Simplify right side
2,674,143.16x = 3,132,536,728,049.13 - Step 5: Solve for x
x = 3,132,536,728,049.13/2,674,143.16 - Step 6: Final answer
x = 1,171,416.99
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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.