Finding the Fourth Proportional to 2,276,439.12, 3,141,549.36 and 1,257,910.56
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Solution
The fourth proportional to 2,276,439.12, 3,141,549.36 and 1,257,910.56 is: 1,735,951.59
Step by Step Solution
- Step 1: Write the proportion equation
2,276,439.12 : 3,141,549.36 = 1,257,910.56 : x - Step 2: Convert to fraction form
2,276,439.12/3,141,549.36 = 1,257,910.56/x - Step 3: Cross multiply
2,276,439.12x = 3,141,549.36 × 1,257,910.56 - Step 4: Simplify right side
2,276,439.12x = 3,951,788,114,705.24 - Step 5: Solve for x
x = 3,951,788,114,705.24/2,276,439.12 - Step 6: Final answer
x = 1,735,951.59
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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.