Finding the Fourth Proportional to 2,160,094.60, 2,980,872.79 and 1,193,204.08
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Solution
The fourth proportional to 2,160,094.60, 2,980,872.79 and 1,193,204.08 is: 1,646,589.73
Step by Step Solution
- Step 1: Write the proportion equation
2,160,094.60 : 2,980,872.79 = 1,193,204.08 : x - Step 2: Convert to fraction form
2,160,094.60/2,980,872.79 = 1,193,204.08/x - Step 3: Cross multiply
2,160,094.60x = 2,980,872.79 × 1,193,204.08 - Step 4: Simplify right side
2,160,094.60x = 3,556,789,574,988.98 - Step 5: Solve for x
x = 3,556,789,574,988.98/2,160,094.60 - Step 6: Final answer
x = 1,646,589.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.