Finding the Fourth Proportional to 2,558,694.20, 3,529,517.76 and 1,653,276.20
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Solution
The fourth proportional to 2,558,694.20, 3,529,517.76 and 1,653,276.20 is: 2,280,564.72
Step by Step Solution
- Step 1: Write the proportion equation
2,558,694.20 : 3,529,517.76 = 1,653,276.20 : x - Step 2: Convert to fraction form
2,558,694.20/3,529,517.76 = 1,653,276.20/x - Step 3: Cross multiply
2,558,694.20x = 3,529,517.76 × 1,653,276.20 - Step 4: Simplify right side
2,558,694.20x = 5,835,267,710,085.31 - Step 5: Solve for x
x = 5,835,267,710,085.31/2,558,694.20 - Step 6: Final answer
x = 2,280,564.72
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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.