Finding the Fourth Proportional to 1,585,519.90, 2,188,006.37 and 860,349.18
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Solution
The fourth proportional to 1,585,519.90, 2,188,006.37 and 860,349.18 is: 1,187,275.84
Step by Step Solution
- Step 1: Write the proportion equation
1,585,519.90 : 2,188,006.37 = 860,349.18 : x - Step 2: Convert to fraction form
1,585,519.90/2,188,006.37 = 860,349.18/x - Step 3: Cross multiply
1,585,519.90x = 2,188,006.37 × 860,349.18 - Step 4: Simplify right side
1,585,519.90x = 1,882,449,471,022.50 - Step 5: Solve for x
x = 1,882,449,471,022.50/1,585,519.90 - Step 6: Final answer
x = 1,187,275.84
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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.