Finding the Fourth Proportional to 1,555,844.40, 2,330,656.20 and 890,218.80
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Solution
The fourth proportional to 1,555,844.40, 2,330,656.20 and 890,218.80 is: 1,333,548.50
Step by Step Solution
- Step 1: Write the proportion equation
1,555,844.40 : 2,330,656.20 = 890,218.80 : x - Step 2: Convert to fraction form
1,555,844.40/2,330,656.20 = 890,218.80/x - Step 3: Cross multiply
1,555,844.40x = 2,330,656.20 × 890,218.80 - Step 4: Simplify right side
1,555,844.40x = 2,074,793,965,576.56 - Step 5: Solve for x
x = 2,074,793,965,576.56/1,555,844.40 - Step 6: Final answer
x = 1,333,548.50
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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.