Finding the Fourth Proportional to 2,085,349.40, 3,132,689.70 and 2,000,331.80
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Solution
The fourth proportional to 2,085,349.40, 3,132,689.70 and 2,000,331.80 is: 3,004,973.09
Step by Step Solution
- Step 1: Write the proportion equation
2,085,349.40 : 3,132,689.70 = 2,000,331.80 : x - Step 2: Convert to fraction form
2,085,349.40/3,132,689.70 = 2,000,331.80/x - Step 3: Cross multiply
2,085,349.40x = 3,132,689.70 × 2,000,331.80 - Step 4: Simplify right side
2,085,349.40x = 6,266,418,826,442.46 - Step 5: Solve for x
x = 6,266,418,826,442.46/2,085,349.40 - Step 6: Final answer
x = 3,004,973.09
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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.