Finding the Fourth Proportional to 1,883,876.70, 2,825,815.05 and 1,677,438.30
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Solution
The fourth proportional to 1,883,876.70, 2,825,815.05 and 1,677,438.30 is: 2,516,157.45
Step by Step Solution
- Step 1: Write the proportion equation
1,883,876.70 : 2,825,815.05 = 1,677,438.30 : x - Step 2: Convert to fraction form
1,883,876.70/2,825,815.05 = 1,677,438.30/x - Step 3: Cross multiply
1,883,876.70x = 2,825,815.05 × 1,677,438.30 - Step 4: Simplify right side
1,883,876.70x = 4,740,130,393,586.42 - Step 5: Solve for x
x = 4,740,130,393,586.42/1,883,876.70 - Step 6: Final answer
x = 2,516,157.45
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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.