Finding the Fourth Proportional to 2,081,206.20, 3,121,809.30 and 585,103.80
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Solution
The fourth proportional to 2,081,206.20, 3,121,809.30 and 585,103.80 is: 877,655.70
Step by Step Solution
- Step 1: Write the proportion equation
2,081,206.20 : 3,121,809.30 = 585,103.80 : x - Step 2: Convert to fraction form
2,081,206.20/3,121,809.30 = 585,103.80/x - Step 3: Cross multiply
2,081,206.20x = 3,121,809.30 × 585,103.80 - Step 4: Simplify right side
2,081,206.20x = 1,826,582,484,305.34 - Step 5: Solve for x
x = 1,826,582,484,305.34/2,081,206.20 - Step 6: Final answer
x = 877,655.70
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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.