Finding the Fourth Proportional to 2,526,626.70, 3,789,940.05 and 2,128,045.95
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Solution
The fourth proportional to 2,526,626.70, 3,789,940.05 and 2,128,045.95 is: 3,192,068.93
Step by Step Solution
- Step 1: Write the proportion equation
2,526,626.70 : 3,789,940.05 = 2,128,045.95 : x - Step 2: Convert to fraction form
2,526,626.70/3,789,940.05 = 2,128,045.95/x - Step 3: Cross multiply
2,526,626.70x = 3,789,940.05 × 2,128,045.95 - Step 4: Simplify right side
2,526,626.70x = 8,065,166,574,145.30 - Step 5: Solve for x
x = 8,065,166,574,145.30/2,526,626.70 - Step 6: Final answer
x = 3,192,068.93
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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.