Finding the Fourth Proportional to 2,080,107.60, 3,118,606.20 and 881,048.40
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Solution
The fourth proportional to 2,080,107.60, 3,118,606.20 and 881,048.40 is: 1,320,913.88
Step by Step Solution
- Step 1: Write the proportion equation
2,080,107.60 : 3,118,606.20 = 881,048.40 : x - Step 2: Convert to fraction form
2,080,107.60/3,118,606.20 = 881,048.40/x - Step 3: Cross multiply
2,080,107.60x = 3,118,606.20 × 881,048.40 - Step 4: Simplify right side
2,080,107.60x = 2,747,643,002,740.08 - Step 5: Solve for x
x = 2,747,643,002,740.08/2,080,107.60 - Step 6: Final answer
x = 1,320,913.88
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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.