Finding the Fourth Proportional to 1,585,771.28, 2,188,365.50 and 860,618.84
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Solution
The fourth proportional to 1,585,771.28, 2,188,365.50 and 860,618.84 is: 1,187,654.61
Step by Step Solution
- Step 1: Write the proportion equation
1,585,771.28 : 2,188,365.50 = 860,618.84 : x - Step 2: Convert to fraction form
1,585,771.28/2,188,365.50 = 860,618.84/x - Step 3: Cross multiply
1,585,771.28x = 2,188,365.50 × 860,618.84 - Step 4: Simplify right side
1,585,771.28x = 1,883,348,578,106.02 - Step 5: Solve for x
x = 1,883,348,578,106.02/1,585,771.28 - Step 6: Final answer
x = 1,187,654.61
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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.