Finding the Fourth Proportional to 2,276,475.36, 3,141,534.96 and 1,257,871.20
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Solution
The fourth proportional to 2,276,475.36, 3,141,534.96 and 1,257,871.20 is: 1,735,861.68
Step by Step Solution
- Step 1: Write the proportion equation
2,276,475.36 : 3,141,534.96 = 1,257,871.20 : x - Step 2: Convert to fraction form
2,276,475.36/3,141,534.96 = 1,257,871.20/x - Step 3: Cross multiply
2,276,475.36x = 3,141,534.96 × 1,257,871.20 - Step 4: Simplify right side
2,276,475.36x = 3,951,646,349,977.15 - Step 5: Solve for x
x = 3,951,646,349,977.15/2,276,475.36 - Step 6: Final answer
x = 1,735,861.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.