Finding the Fourth Proportional to 5,966,470.20, 8,949,705.30 and 1,706,892.60
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Solution
The fourth proportional to 5,966,470.20, 8,949,705.30 and 1,706,892.60 is: 2,560,338.90
Step by Step Solution
- Step 1: Write the proportion equation
5,966,470.20 : 8,949,705.30 = 1,706,892.60 : x - Step 2: Convert to fraction form
5,966,470.20/8,949,705.30 = 1,706,892.60/x - Step 3: Cross multiply
5,966,470.20x = 8,949,705.30 × 1,706,892.60 - Step 4: Simplify right side
5,966,470.20x = 15,276,185,748,750.78 - Step 5: Solve for x
x = 15,276,185,748,750.78/5,966,470.20 - Step 6: Final answer
x = 2,560,338.90
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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.