Finding the Fourth Proportional to 1,585,535.12, 2,188,044.35 and 860,382.99
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Solution
The fourth proportional to 1,585,535.12, 2,188,044.35 and 860,382.99 is: 1,187,331.72
Step by Step Solution
- Step 1: Write the proportion equation
1,585,535.12 : 2,188,044.35 = 860,382.99 : x - Step 2: Convert to fraction form
1,585,535.12/2,188,044.35 = 860,382.99/x - Step 3: Cross multiply
1,585,535.12x = 2,188,044.35 × 860,382.99 - Step 4: Simplify right side
1,585,535.12x = 1,882,556,131,316.34 - Step 5: Solve for x
x = 1,882,556,131,316.34/1,585,535.12 - Step 6: Final answer
x = 1,187,331.72
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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.