Finding the Fourth Proportional to 1,585,678.22, 2,188,251.99 and 860,532.20
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Solution
The fourth proportional to 1,585,678.22, 2,188,251.99 and 860,532.20 is: 1,187,543.14
Step by Step Solution
- Step 1: Write the proportion equation
1,585,678.22 : 2,188,251.99 = 860,532.20 : x - Step 2: Convert to fraction form
1,585,678.22/2,188,251.99 = 860,532.20/x - Step 3: Cross multiply
1,585,678.22x = 2,188,251.99 × 860,532.20 - Step 4: Simplify right side
1,585,678.22x = 1,883,061,299,109.08 - Step 5: Solve for x
x = 1,883,061,299,109.08/1,585,678.22 - Step 6: Final answer
x = 1,187,543.14
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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.