Finding the Fourth Proportional to 1,586,052.20, 2,188,693.50 and 860,884.58
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Solution
The fourth proportional to 1,586,052.20, 2,188,693.50 and 860,884.58 is: 1,187,988.95
Step by Step Solution
- Step 1: Write the proportion equation
1,586,052.20 : 2,188,693.50 = 860,884.58 : x - Step 2: Convert to fraction form
1,586,052.20/2,188,693.50 = 860,884.58/x - Step 3: Cross multiply
1,586,052.20x = 2,188,693.50 × 860,884.58 - Step 4: Simplify right side
1,586,052.20x = 1,884,212,484,496.23 - Step 5: Solve for x
x = 1,884,212,484,496.23/1,586,052.20 - Step 6: Final answer
x = 1,187,988.95
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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.