Finding the Fourth Proportional to 2,725,517.40, 4,088,276.10 and 1,875,211.80
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Solution
The fourth proportional to 2,725,517.40, 4,088,276.10 and 1,875,211.80 is: 2,812,817.70
Step by Step Solution
- Step 1: Write the proportion equation
2,725,517.40 : 4,088,276.10 = 1,875,211.80 : x - Step 2: Convert to fraction form
2,725,517.40/4,088,276.10 = 1,875,211.80/x - Step 3: Cross multiply
2,725,517.40x = 4,088,276.10 × 1,875,211.80 - Step 4: Simplify right side
2,725,517.40x = 7,666,383,584,377.98 - Step 5: Solve for x
x = 7,666,383,584,377.98/2,725,517.40 - Step 6: Final answer
x = 2,812,817.70
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1.5x scale
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.