Finding the Fourth Proportional to 2,581,809.80, 3,873,492.30 and 1,384,305.80
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Solution
The fourth proportional to 2,581,809.80, 3,873,492.30 and 1,384,305.80 is: 2,076,875.63
Step by Step Solution
- Step 1: Write the proportion equation
2,581,809.80 : 3,873,492.30 = 1,384,305.80 : x - Step 2: Convert to fraction form
2,581,809.80/3,873,492.30 = 1,384,305.80/x - Step 3: Cross multiply
2,581,809.80x = 3,873,492.30 × 1,384,305.80 - Step 4: Simplify right side
2,581,809.80x = 5,362,097,857,145.34 - Step 5: Solve for x
x = 5,362,097,857,145.34/2,581,809.80 - Step 6: Final answer
x = 2,076,875.63
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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.