Finding the Fourth Proportional to 1,585,634.04, 2,188,176.37 and 860,481.75
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Solution
The fourth proportional to 1,585,634.04, 2,188,176.37 and 860,481.75 is: 1,187,465.57
Step by Step Solution
- Step 1: Write the proportion equation
1,585,634.04 : 2,188,176.37 = 860,481.75 : x - Step 2: Convert to fraction form
1,585,634.04/2,188,176.37 = 860,481.75/x - Step 3: Cross multiply
1,585,634.04x = 2,188,176.37 × 860,481.75 - Step 4: Simplify right side
1,585,634.04x = 1,882,885,832,166.25 - Step 5: Solve for x
x = 1,882,885,832,166.25/1,585,634.04 - Step 6: Final answer
x = 1,187,465.57
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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.